Home / 72,425,281.85-108,637,922.78-38,413,057.85

Finding the Fourth Proportional to 72,425,281.85, 108,637,922.78 and 38,413,057.85

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Solution

The fourth proportional to 72,425,281.85, 108,637,922.78 and 38,413,057.85 is: 57,619,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,425,281.85 : 108,637,922.78 = 38,413,057.85 : x
  2. Step 2: Convert to fraction form
    72,425,281.85/108,637,922.78 = 38,413,057.85/x
  3. Step 3: Cross multiply
    72,425,281.85x = 108,637,922.78 × 38,413,057.85
  4. Step 4: Simplify right side
    72,425,281.85x = 4,173,114,812,259,908
  5. Step 5: Solve for x
    x = 4,173,114,812,259,908/72,425,281.85
  6. Step 6: Final answer
    x = 57,619,586.78

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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.