Home / 77,712,610.59-107,241,264.68-42,904,668.51

Finding the Fourth Proportional to 77,712,610.59, 107,241,264.68 and 42,904,668.51

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Solution

The fourth proportional to 77,712,610.59, 107,241,264.68 and 42,904,668.51 is: 59,207,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,712,610.59 : 107,241,264.68 = 42,904,668.51 : x
  2. Step 2: Convert to fraction form
    77,712,610.59/107,241,264.68 = 42,904,668.51/x
  3. Step 3: Cross multiply
    77,712,610.59x = 107,241,264.68 × 42,904,668.51
  4. Step 4: Simplify right side
    77,712,610.59x = 4,601,150,911,474,048
  5. Step 5: Solve for x
    x = 4,601,150,911,474,048/77,712,610.59
  6. Step 6: Final answer
    x = 59,207,262.20

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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.