Home / 99,856,330.40-149,784,495.60-39,274,032.80

Finding the Fourth Proportional to 99,856,330.40, 149,784,495.60 and 39,274,032.80

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Solution

The fourth proportional to 99,856,330.40, 149,784,495.60 and 39,274,032.80 is: 58,911,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,856,330.40 : 149,784,495.60 = 39,274,032.80 : x
  2. Step 2: Convert to fraction form
    99,856,330.40/149,784,495.60 = 39,274,032.80/x
  3. Step 3: Cross multiply
    99,856,330.40x = 149,784,495.60 × 39,274,032.80
  4. Step 4: Simplify right side
    99,856,330.40x = 5,882,641,193,125,855
  5. Step 5: Solve for x
    x = 5,882,641,193,125,855/99,856,330.40
  6. Step 6: Final answer
    x = 58,911,049.20

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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.