Home / 131,323,505.91-181,227,160.14-71,784,892.23

Finding the Fourth Proportional to 131,323,505.91, 181,227,160.14 and 71,784,892.23

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Solution

The fourth proportional to 131,323,505.91, 181,227,160.14 and 71,784,892.23 is: 99,063,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,323,505.91 : 181,227,160.14 = 71,784,892.23 : x
  2. Step 2: Convert to fraction form
    131,323,505.91/181,227,160.14 = 71,784,892.23/x
  3. Step 3: Cross multiply
    131,323,505.91x = 181,227,160.14 × 71,784,892.23
  4. Step 4: Simplify right side
    131,323,505.91x = 13,009,372,159,798,852
  5. Step 5: Solve for x
    x = 13,009,372,159,798,852/131,323,505.91
  6. Step 6: Final answer
    x = 99,063,545.93

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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.