Home / 99,645,060.30-149,491,210.05-51,130,401.90

Finding the Fourth Proportional to 99,645,060.30, 149,491,210.05 and 51,130,401.90

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Solution

The fourth proportional to 99,645,060.30, 149,491,210.05 and 51,130,401.90 is: 76,707,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,060.30 : 149,491,210.05 = 51,130,401.90 : x
  2. Step 2: Convert to fraction form
    99,645,060.30/149,491,210.05 = 51,130,401.90/x
  3. Step 3: Cross multiply
    99,645,060.30x = 149,491,210.05 × 51,130,401.90
  4. Step 4: Simplify right side
    99,645,060.30x = 7,643,545,650,373,819
  5. Step 5: Solve for x
    x = 7,643,545,650,373,819/99,645,060.30
  6. Step 6: Final answer
    x = 76,707,722.66

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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.