Home / 99,709,134.12-137,621,561.40-58,469,312.52

Finding the Fourth Proportional to 99,709,134.12, 137,621,561.40 and 58,469,312.52

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Solution

The fourth proportional to 99,709,134.12, 137,621,561.40 and 58,469,312.52 is: 80,701,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,709,134.12 : 137,621,561.40 = 58,469,312.52 : x
  2. Step 2: Convert to fraction form
    99,709,134.12/137,621,561.40 = 58,469,312.52/x
  3. Step 3: Cross multiply
    99,709,134.12x = 137,621,561.40 × 58,469,312.52
  4. Step 4: Simplify right side
    99,709,134.12x = 8,046,638,082,986,970
  5. Step 5: Solve for x
    x = 8,046,638,082,986,970/99,709,134.12
  6. Step 6: Final answer
    x = 80,701,112.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.