Home / 99,648,001.20-149,472,001.80-58,665,370.80

Finding the Fourth Proportional to 99,648,001.20, 149,472,001.80 and 58,665,370.80

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Solution

The fourth proportional to 99,648,001.20, 149,472,001.80 and 58,665,370.80 is: 87,998,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,001.20 : 149,472,001.80 = 58,665,370.80 : x
  2. Step 2: Convert to fraction form
    99,648,001.20/149,472,001.80 = 58,665,370.80/x
  3. Step 3: Cross multiply
    99,648,001.20x = 149,472,001.80 × 58,665,370.80
  4. Step 4: Simplify right side
    99,648,001.20x = 8,768,830,409,815,268
  5. Step 5: Solve for x
    x = 8,768,830,409,815,268/99,648,001.20
  6. Step 6: Final answer
    x = 87,998,056.20

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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.