Home / 143,729,941,084.76-198,334,007,879.10-79,499,282,969.72

Finding the Fourth Proportional to 143,729,941,084.76, 198,334,007,879.10 and 79,499,282,969.72

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Solution

The fourth proportional to 143,729,941,084.76, 198,334,007,879.10 and 79,499,282,969.72 is: 109,701,648,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,729,941,084.76 : 198,334,007,879.10 = 79,499,282,969.72 : x
  2. Step 2: Convert to fraction form
    143,729,941,084.76/198,334,007,879.10 = 79,499,282,969.72/x
  3. Step 3: Cross multiply
    143,729,941,084.76x = 198,334,007,879.10 × 79,499,282,969.72
  4. Step 4: Simplify right side
    143,729,941,084.76x = 15,767,411,414,899,248,594,944
  5. Step 5: Solve for x
    x = 15,767,411,414,899,248,594,944/143,729,941,084.76
  6. Step 6: Final answer
    x = 109,701,648,076.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.