Home / 99,690,040.30-149,555,278.05-56,579,896.30

Finding the Fourth Proportional to 99,690,040.30, 149,555,278.05 and 56,579,896.30

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Solution

The fourth proportional to 99,690,040.30, 149,555,278.05 and 56,579,896.30 is: 84,881,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,690,040.30 : 149,555,278.05 = 56,579,896.30 : x
  2. Step 2: Convert to fraction form
    99,690,040.30/149,555,278.05 = 56,579,896.30/x
  3. Step 3: Cross multiply
    99,690,040.30x = 149,555,278.05 × 56,579,896.30
  4. Step 4: Simplify right side
    99,690,040.30x = 8,461,822,123,186,666
  5. Step 5: Solve for x
    x = 8,461,822,123,186,666/99,690,040.30
  6. Step 6: Final answer
    x = 84,881,319.11

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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.