Home / 99,853,201.10-149,779,801.65-82,534,493.90

Finding the Fourth Proportional to 99,853,201.10, 149,779,801.65 and 82,534,493.90

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Solution

The fourth proportional to 99,853,201.10, 149,779,801.65 and 82,534,493.90 is: 123,801,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,853,201.10 : 149,779,801.65 = 82,534,493.90 : x
  2. Step 2: Convert to fraction form
    99,853,201.10/149,779,801.65 = 82,534,493.90/x
  3. Step 3: Cross multiply
    99,853,201.10x = 149,779,801.65 × 82,534,493.90
  4. Step 4: Simplify right side
    99,853,201.10x = 12,362,000,125,625,136
  5. Step 5: Solve for x
    x = 12,362,000,125,625,136/99,853,201.10
  6. Step 6: Final answer
    x = 123,801,740.85

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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.