Home / 47,923,043.40-71,884,565.10-39,419,987.40

Finding the Fourth Proportional to 47,923,043.40, 71,884,565.10 and 39,419,987.40

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Solution

The fourth proportional to 47,923,043.40, 71,884,565.10 and 39,419,987.40 is: 59,129,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,923,043.40 : 71,884,565.10 = 39,419,987.40 : x
  2. Step 2: Convert to fraction form
    47,923,043.40/71,884,565.10 = 39,419,987.40/x
  3. Step 3: Cross multiply
    47,923,043.40x = 71,884,565.10 × 39,419,987.40
  4. Step 4: Simplify right side
    47,923,043.40x = 2,833,688,650,496,479.50
  5. Step 5: Solve for x
    x = 2,833,688,650,496,479.50/47,923,043.40
  6. Step 6: Final answer
    x = 59,129,981.10

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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.