Home / 135,592,129.31-187,109,192.63-73,711,926.59

Finding the Fourth Proportional to 135,592,129.31, 187,109,192.63 and 73,711,926.59

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Solution

The fourth proportional to 135,592,129.31, 187,109,192.63 and 73,711,926.59 is: 101,718,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,592,129.31 : 187,109,192.63 = 73,711,926.59 : x
  2. Step 2: Convert to fraction form
    135,592,129.31/187,109,192.63 = 73,711,926.59/x
  3. Step 3: Cross multiply
    135,592,129.31x = 187,109,192.63 × 73,711,926.59
  4. Step 4: Simplify right side
    135,592,129.31x = 13,792,179,070,705,462
  5. Step 5: Solve for x
    x = 13,792,179,070,705,462/135,592,129.31
  6. Step 6: Final answer
    x = 101,718,139.11

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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.