Home / 159,573,807.30-239,373,152.55-68,700,360.90

Finding the Fourth Proportional to 159,573,807.30, 239,373,152.55 and 68,700,360.90

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Solution

The fourth proportional to 159,573,807.30, 239,373,152.55 and 68,700,360.90 is: 103,055,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,573,807.30 : 239,373,152.55 = 68,700,360.90 : x
  2. Step 2: Convert to fraction form
    159,573,807.30/239,373,152.55 = 68,700,360.90/x
  3. Step 3: Cross multiply
    159,573,807.30x = 239,373,152.55 × 68,700,360.90
  4. Step 4: Simplify right side
    159,573,807.30x = 16,445,021,969,955,758
  5. Step 5: Solve for x
    x = 16,445,021,969,955,758/159,573,807.30
  6. Step 6: Final answer
    x = 103,055,897.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.