Home / 157,516,166.57-217,372,349.27-86,951,817.77

Finding the Fourth Proportional to 157,516,166.57, 217,372,349.27 and 86,951,817.77

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Solution

The fourth proportional to 157,516,166.57, 217,372,349.27 and 86,951,817.77 is: 119,993,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,516,166.57 : 217,372,349.27 = 86,951,817.77 : x
  2. Step 2: Convert to fraction form
    157,516,166.57/217,372,349.27 = 86,951,817.77/x
  3. Step 3: Cross multiply
    157,516,166.57x = 217,372,349.27 × 86,951,817.77
  4. Step 4: Simplify right side
    157,516,166.57x = 18,900,920,901,527,072
  5. Step 5: Solve for x
    x = 18,900,920,901,527,072/157,516,166.57
  6. Step 6: Final answer
    x = 119,993,530.27

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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.