Home / 67,530,132.51-93,192,640.89-39,653,459.13

Finding the Fourth Proportional to 67,530,132.51, 93,192,640.89 and 39,653,459.13

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Solution

The fourth proportional to 67,530,132.51, 93,192,640.89 and 39,653,459.13 is: 54,722,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,530,132.51 : 93,192,640.89 = 39,653,459.13 : x
  2. Step 2: Convert to fraction form
    67,530,132.51/93,192,640.89 = 39,653,459.13/x
  3. Step 3: Cross multiply
    67,530,132.51x = 93,192,640.89 × 39,653,459.13
  4. Step 4: Simplify right side
    67,530,132.51x = 3,695,410,576,748,382
  5. Step 5: Solve for x
    x = 3,695,410,576,748,382/67,530,132.51
  6. Step 6: Final answer
    x = 54,722,394.87

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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.