Home / 156,427,432.98-234,641,149.83-83,423,037.75

Finding the Fourth Proportional to 156,427,432.98, 234,641,149.83 and 83,423,037.75

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Solution

The fourth proportional to 156,427,432.98, 234,641,149.83 and 83,423,037.75 is: 125,134,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,427,432.98 : 234,641,149.83 = 83,423,037.75 : x
  2. Step 2: Convert to fraction form
    156,427,432.98/234,641,149.83 = 83,423,037.75/x
  3. Step 3: Cross multiply
    156,427,432.98x = 234,641,149.83 × 83,423,037.75
  4. Step 4: Simplify right side
    156,427,432.98x = 19,574,477,499,971,496
  5. Step 5: Solve for x
    x = 19,574,477,499,971,496/156,427,432.98
  6. Step 6: Final answer
    x = 125,134,556.82

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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.