Home / 40,438,909.20-60,658,363.80-38,549,341.20

Finding the Fourth Proportional to 40,438,909.20, 60,658,363.80 and 38,549,341.20

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Solution

The fourth proportional to 40,438,909.20, 60,658,363.80 and 38,549,341.20 is: 57,824,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438,909.20 : 60,658,363.80 = 38,549,341.20 : x
  2. Step 2: Convert to fraction form
    40,438,909.20/60,658,363.80 = 38,549,341.20/x
  3. Step 3: Cross multiply
    40,438,909.20x = 60,658,363.80 × 38,549,341.20
  4. Step 4: Simplify right side
    40,438,909.20x = 2,338,339,962,759,928.50
  5. Step 5: Solve for x
    x = 2,338,339,962,759,928.50/40,438,909.20
  6. Step 6: Final answer
    x = 57,824,011.80

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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.