Home / 96,783,140.80-145,174,711.20-42,930,452.80

Finding the Fourth Proportional to 96,783,140.80, 145,174,711.20 and 42,930,452.80

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Solution

The fourth proportional to 96,783,140.80, 145,174,711.20 and 42,930,452.80 is: 64,395,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,783,140.80 : 145,174,711.20 = 42,930,452.80 : x
  2. Step 2: Convert to fraction form
    96,783,140.80/145,174,711.20 = 42,930,452.80/x
  3. Step 3: Cross multiply
    96,783,140.80x = 145,174,711.20 × 42,930,452.80
  4. Step 4: Simplify right side
    96,783,140.80x = 6,232,416,086,925,230
  5. Step 5: Solve for x
    x = 6,232,416,086,925,230/96,783,140.80
  6. Step 6: Final answer
    x = 64,395,679.20

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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.