Home / 102,944,836.44-142,063,357.86-55,901,489.58

Finding the Fourth Proportional to 102,944,836.44, 142,063,357.86 and 55,901,489.58

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Solution

The fourth proportional to 102,944,836.44, 142,063,357.86 and 55,901,489.58 is: 77,143,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,944,836.44 : 142,063,357.86 = 55,901,489.58 : x
  2. Step 2: Convert to fraction form
    102,944,836.44/142,063,357.86 = 55,901,489.58/x
  3. Step 3: Cross multiply
    102,944,836.44x = 142,063,357.86 × 55,901,489.58
  4. Step 4: Simplify right side
    102,944,836.44x = 7,941,553,319,110,602
  5. Step 5: Solve for x
    x = 7,941,553,319,110,602/102,944,836.44
  6. Step 6: Final answer
    x = 77,143,775.19

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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.