Home / 99,647,598.30-149,471,397.45-79,492,206.30

Finding the Fourth Proportional to 99,647,598.30, 149,471,397.45 and 79,492,206.30

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Solution

The fourth proportional to 99,647,598.30, 149,471,397.45 and 79,492,206.30 is: 119,238,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647,598.30 : 149,471,397.45 = 79,492,206.30 : x
  2. Step 2: Convert to fraction form
    99,647,598.30/149,471,397.45 = 79,492,206.30/x
  3. Step 3: Cross multiply
    99,647,598.30x = 149,471,397.45 × 79,492,206.30
  4. Step 4: Simplify right side
    99,647,598.30x = 11,881,811,162,044,692
  5. Step 5: Solve for x
    x = 11,881,811,162,044,692/99,647,598.30
  6. Step 6: Final answer
    x = 119,238,309.45

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Double scale
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Similar ratio
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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.