Home / 151,350,351.77-208,863,478.56-81,735,726.50

Finding the Fourth Proportional to 151,350,351.77, 208,863,478.56 and 81,735,726.50

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Solution

The fourth proportional to 151,350,351.77, 208,863,478.56 and 81,735,726.50 is: 112,795,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,350,351.77 : 208,863,478.56 = 81,735,726.50 : x
  2. Step 2: Convert to fraction form
    151,350,351.77/208,863,478.56 = 81,735,726.50/x
  3. Step 3: Cross multiply
    151,350,351.77x = 208,863,478.56 × 81,735,726.50
  4. Step 4: Simplify right side
    151,350,351.77x = 17,071,608,159,418,774
  5. Step 5: Solve for x
    x = 17,071,608,159,418,774/151,350,351.77
  6. Step 6: Final answer
    x = 112,795,298.85

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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.