Home / 418,022,047.03-627,018,869.38-107,132,715.69

Finding the Fourth Proportional to 418,022,047.03, 627,018,869.38 and 107,132,715.69

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Solution

The fourth proportional to 418,022,047.03, 627,018,869.38 and 107,132,715.69 is: 160,695,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,022,047.03 : 627,018,869.38 = 107,132,715.69 : x
  2. Step 2: Convert to fraction form
    418,022,047.03/627,018,869.38 = 107,132,715.69/x
  3. Step 3: Cross multiply
    418,022,047.03x = 627,018,869.38 × 107,132,715.69
  4. Step 4: Simplify right side
    418,022,047.03x = 67,174,234,265,552,784
  5. Step 5: Solve for x
    x = 67,174,234,265,552,784/418,022,047.03
  6. Step 6: Final answer
    x = 160,695,433.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.