Home / 99,642,266.10-149,463,399.15-61,179,059.70

Finding the Fourth Proportional to 99,642,266.10, 149,463,399.15 and 61,179,059.70

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Solution

The fourth proportional to 99,642,266.10, 149,463,399.15 and 61,179,059.70 is: 91,768,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,266.10 : 149,463,399.15 = 61,179,059.70 : x
  2. Step 2: Convert to fraction form
    99,642,266.10/149,463,399.15 = 61,179,059.70/x
  3. Step 3: Cross multiply
    99,642,266.10x = 149,463,399.15 × 61,179,059.70
  4. Step 4: Simplify right side
    99,642,266.10x = 9,144,030,219,562,780
  5. Step 5: Solve for x
    x = 9,144,030,219,562,780/99,642,266.10
  6. Step 6: Final answer
    x = 91,768,589.55

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Similar ratio
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1.5x scale

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.