Home / 56,386,691.19-77,668,085.25-39,838,089.33

Finding the Fourth Proportional to 56,386,691.19, 77,668,085.25 and 39,838,089.33

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Solution

The fourth proportional to 56,386,691.19, 77,668,085.25 and 39,838,089.33 is: 54,873,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,386,691.19 : 77,668,085.25 = 39,838,089.33 : x
  2. Step 2: Convert to fraction form
    56,386,691.19/77,668,085.25 = 39,838,089.33/x
  3. Step 3: Cross multiply
    56,386,691.19x = 77,668,085.25 × 39,838,089.33
  4. Step 4: Simplify right side
    56,386,691.19x = 3,094,148,118,279,555
  5. Step 5: Solve for x
    x = 3,094,148,118,279,555/56,386,691.19
  6. Step 6: Final answer
    x = 54,873,730.89

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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.