Home / 99,791,999.20-149,687,998.80-46,044,287.20

Finding the Fourth Proportional to 99,791,999.20, 149,687,998.80 and 46,044,287.20

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Solution

The fourth proportional to 99,791,999.20, 149,687,998.80 and 46,044,287.20 is: 69,066,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,791,999.20 : 149,687,998.80 = 46,044,287.20 : x
  2. Step 2: Convert to fraction form
    99,791,999.20/149,687,998.80 = 46,044,287.20/x
  3. Step 3: Cross multiply
    99,791,999.20x = 149,687,998.80 × 46,044,287.20
  4. Step 4: Simplify right side
    99,791,999.20x = 6,892,277,207,140,456
  5. Step 5: Solve for x
    x = 6,892,277,207,140,456/99,791,999.20
  6. Step 6: Final answer
    x = 69,066,430.80

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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.