Home / 99,928,523.68-137,859,131.88-66,899,399.92

Finding the Fourth Proportional to 99,928,523.68, 137,859,131.88 and 66,899,399.92

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Solution

The fourth proportional to 99,928,523.68, 137,859,131.88 and 66,899,399.92 is: 92,292,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,928,523.68 : 137,859,131.88 = 66,899,399.92 : x
  2. Step 2: Convert to fraction form
    99,928,523.68/137,859,131.88 = 66,899,399.92/x
  3. Step 3: Cross multiply
    99,928,523.68x = 137,859,131.88 × 66,899,399.92
  4. Step 4: Simplify right side
    99,928,523.68x = 9,222,693,196,264,142
  5. Step 5: Solve for x
    x = 9,222,693,196,264,142/99,928,523.68
  6. Step 6: Final answer
    x = 92,292,899.53

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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.