Home / 99,783,557.40-149,755,937.58-42,316,150.44

Finding the Fourth Proportional to 99,783,557.40, 149,755,937.58 and 42,316,150.44

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Solution

The fourth proportional to 99,783,557.40, 149,755,937.58 and 42,316,150.44 is: 63,508,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,783,557.40 : 149,755,937.58 = 42,316,150.44 : x
  2. Step 2: Convert to fraction form
    99,783,557.40/149,755,937.58 = 42,316,150.44/x
  3. Step 3: Cross multiply
    99,783,557.40x = 149,755,937.58 × 42,316,150.44
  4. Step 4: Simplify right side
    99,783,557.40x = 6,337,094,783,918,530
  5. Step 5: Solve for x
    x = 6,337,094,783,918,530/99,783,557.40
  6. Step 6: Final answer
    x = 63,508,407.09

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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.