Home / 84,572,345.60-126,872,515.20-36,073,433.60

Finding the Fourth Proportional to 84,572,345.60, 126,872,515.20 and 36,073,433.60

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Solution

The fourth proportional to 84,572,345.60, 126,872,515.20 and 36,073,433.60 is: 54,116,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,572,345.60 : 126,872,515.20 = 36,073,433.60 : x
  2. Step 2: Convert to fraction form
    84,572,345.60/126,872,515.20 = 36,073,433.60/x
  3. Step 3: Cross multiply
    84,572,345.60x = 126,872,515.20 × 36,073,433.60
  4. Step 4: Simplify right side
    84,572,345.60x = 4,576,727,252,732,191
  5. Step 5: Solve for x
    x = 4,576,727,252,732,191/84,572,345.60
  6. Step 6: Final answer
    x = 54,116,120.59

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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.