Home / 131,725,984.32-181,781,680.07-72,992,453.00

Finding the Fourth Proportional to 131,725,984.32, 181,781,680.07 and 72,992,453.00

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Solution

The fourth proportional to 131,725,984.32, 181,781,680.07 and 72,992,453.00 is: 100,729,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,725,984.32 : 181,781,680.07 = 72,992,453.00 : x
  2. Step 2: Convert to fraction form
    131,725,984.32/181,781,680.07 = 72,992,453.00/x
  3. Step 3: Cross multiply
    131,725,984.32x = 181,781,680.07 × 72,992,453.00
  4. Step 4: Simplify right side
    131,725,984.32x = 13,268,690,738,044,084
  5. Step 5: Solve for x
    x = 13,268,690,738,044,084/131,725,984.32
  6. Step 6: Final answer
    x = 100,729,486.34

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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.