Home / 100,809,861.30-151,115,259.15-49,650,002.10

Finding the Fourth Proportional to 100,809,861.30, 151,115,259.15 and 49,650,002.10

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Solution

The fourth proportional to 100,809,861.30, 151,115,259.15 and 49,650,002.10 is: 74,425,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,809,861.30 : 151,115,259.15 = 49,650,002.10 : x
  2. Step 2: Convert to fraction form
    100,809,861.30/151,115,259.15 = 49,650,002.10/x
  3. Step 3: Cross multiply
    100,809,861.30x = 151,115,259.15 × 49,650,002.10
  4. Step 4: Simplify right side
    100,809,861.30x = 7,502,872,934,139,545
  5. Step 5: Solve for x
    x = 7,502,872,934,139,545/100,809,861.30
  6. Step 6: Final answer
    x = 74,425,982.12

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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.