Home / 99,768,010.60-149,620,911.90-39,202,301.80

Finding the Fourth Proportional to 99,768,010.60, 149,620,911.90 and 39,202,301.80

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Solution

The fourth proportional to 99,768,010.60, 149,620,911.90 and 39,202,301.80 is: 58,791,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,768,010.60 : 149,620,911.90 = 39,202,301.80 : x
  2. Step 2: Convert to fraction form
    99,768,010.60/149,620,911.90 = 39,202,301.80/x
  3. Step 3: Cross multiply
    99,768,010.60x = 149,620,911.90 × 39,202,301.80
  4. Step 4: Simplify right side
    99,768,010.60x = 5,865,484,143,895,011
  5. Step 5: Solve for x
    x = 5,865,484,143,895,011/99,768,010.60
  6. Step 6: Final answer
    x = 58,791,230.86

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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.