Home / 135,960,329.29-187,625,281.43-74,080,667.86

Finding the Fourth Proportional to 135,960,329.29, 187,625,281.43 and 74,080,667.86

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Solution

The fourth proportional to 135,960,329.29, 187,625,281.43 and 74,080,667.86 is: 102,231,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960,329.29 : 187,625,281.43 = 74,080,667.86 : x
  2. Step 2: Convert to fraction form
    135,960,329.29/187,625,281.43 = 74,080,667.86/x
  3. Step 3: Cross multiply
    135,960,329.29x = 187,625,281.43 × 74,080,667.86
  4. Step 4: Simplify right side
    135,960,329.29x = 13,899,406,155,754,856
  5. Step 5: Solve for x
    x = 13,899,406,155,754,856/135,960,329.29
  6. Step 6: Final answer
    x = 102,231,336.36

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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.