Home / 143,729,941,086.26-198,334,007,881.17-79,499,282,971.22

Finding the Fourth Proportional to 143,729,941,086.26, 198,334,007,881.17 and 79,499,282,971.22

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Solution

The fourth proportional to 143,729,941,086.26, 198,334,007,881.17 and 79,499,282,971.22 is: 109,701,648,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,729,941,086.26 : 198,334,007,881.17 = 79,499,282,971.22 : x
  2. Step 2: Convert to fraction form
    143,729,941,086.26/198,334,007,881.17 = 79,499,282,971.22/x
  3. Step 3: Cross multiply
    143,729,941,086.26x = 198,334,007,881.17 × 79,499,282,971.22
  4. Step 4: Simplify right side
    143,729,941,086.26x = 15,767,411,415,361,311,997,952
  5. Step 5: Solve for x
    x = 15,767,411,415,361,311,997,952/143,729,941,086.26
  6. Step 6: Final answer
    x = 109,701,648,078.31

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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.