Home / 80,943,886.40-121,373,839.20-29,799,579.20

Finding the Fourth Proportional to 80,943,886.40, 121,373,839.20 and 29,799,579.20

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Solution

The fourth proportional to 80,943,886.40, 121,373,839.20 and 29,799,579.20 is: 44,683,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,943,886.40 : 121,373,839.20 = 29,799,579.20 : x
  2. Step 2: Convert to fraction form
    80,943,886.40/121,373,839.20 = 29,799,579.20/x
  3. Step 3: Cross multiply
    80,943,886.40x = 121,373,839.20 × 29,799,579.20
  4. Step 4: Simplify right side
    80,943,886.40x = 3,616,889,334,048,464.50
  5. Step 5: Solve for x
    x = 3,616,889,334,048,464.50/80,943,886.40
  6. Step 6: Final answer
    x = 44,683,909.99

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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.