Home / 89,258,168.17-123,169,518.08-50,092,378.12

Finding the Fourth Proportional to 89,258,168.17, 123,169,518.08 and 50,092,378.12

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Solution

The fourth proportional to 89,258,168.17, 123,169,518.08 and 50,092,378.12 is: 69,123,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,258,168.17 : 123,169,518.08 = 50,092,378.12 : x
  2. Step 2: Convert to fraction form
    89,258,168.17/123,169,518.08 = 50,092,378.12/x
  3. Step 3: Cross multiply
    89,258,168.17x = 123,169,518.08 × 50,092,378.12
  4. Step 4: Simplify right side
    89,258,168.17x = 6,169,854,072,894,903
  5. Step 5: Solve for x
    x = 6,169,854,072,894,903/89,258,168.17
  6. Step 6: Final answer
    x = 69,123,691.42

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1.5x scale

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.