Home / 99,646,966.30-149,494,069.05-51,132,307.90

Finding the Fourth Proportional to 99,646,966.30, 149,494,069.05 and 51,132,307.90

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Solution

The fourth proportional to 99,646,966.30, 149,494,069.05 and 51,132,307.90 is: 76,710,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646,966.30 : 149,494,069.05 = 51,132,307.90 : x
  2. Step 2: Convert to fraction form
    99,646,966.30/149,494,069.05 = 51,132,307.90/x
  3. Step 3: Cross multiply
    99,646,966.30x = 149,494,069.05 × 51,132,307.90
  4. Step 4: Simplify right side
    99,646,966.30x = 7,643,976,767,888,461
  5. Step 5: Solve for x
    x = 7,643,976,767,888,461/99,646,966.30
  6. Step 6: Final answer
    x = 76,710,581.88

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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.