Home / 157,227,444.36-216,974,734.02-91,187,086.50

Finding the Fourth Proportional to 157,227,444.36, 216,974,734.02 and 91,187,086.50

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Solution

The fourth proportional to 157,227,444.36, 216,974,734.02 and 91,187,086.50 is: 125,838,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,227,444.36 : 216,974,734.02 = 91,187,086.50 : x
  2. Step 2: Convert to fraction form
    157,227,444.36/216,974,734.02 = 91,187,086.50/x
  3. Step 3: Cross multiply
    157,227,444.36x = 216,974,734.02 × 91,187,086.50
  4. Step 4: Simplify right side
    157,227,444.36x = 19,785,293,839,396,232
  5. Step 5: Solve for x
    x = 19,785,293,839,396,232/157,227,444.36
  6. Step 6: Final answer
    x = 125,838,678.61

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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.