Home / 99,643,670.20-149,465,505.30-45,895,958.20

Finding the Fourth Proportional to 99,643,670.20, 149,465,505.30 and 45,895,958.20

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Solution

The fourth proportional to 99,643,670.20, 149,465,505.30 and 45,895,958.20 is: 68,843,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,643,670.20 : 149,465,505.30 = 45,895,958.20 : x
  2. Step 2: Convert to fraction form
    99,643,670.20/149,465,505.30 = 45,895,958.20/x
  3. Step 3: Cross multiply
    99,643,670.20x = 149,465,505.30 × 45,895,958.20
  4. Step 4: Simplify right side
    99,643,670.20x = 6,859,862,583,590,679
  5. Step 5: Solve for x
    x = 6,859,862,583,590,679/99,643,670.20
  6. Step 6: Final answer
    x = 68,843,937.30

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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.