Home / 77,695,319.04-107,222,077.92-42,415,005.36

Finding the Fourth Proportional to 77,695,319.04, 107,222,077.92 and 42,415,005.36

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Solution

The fourth proportional to 77,695,319.04, 107,222,077.92 and 42,415,005.36 is: 58,534,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,695,319.04 : 107,222,077.92 = 42,415,005.36 : x
  2. Step 2: Convert to fraction form
    77,695,319.04/107,222,077.92 = 42,415,005.36/x
  3. Step 3: Cross multiply
    77,695,319.04x = 107,222,077.92 × 42,415,005.36
  4. Step 4: Simplify right side
    77,695,319.04x = 4,547,825,009,687,138
  5. Step 5: Solve for x
    x = 4,547,825,009,687,138/77,695,319.04
  6. Step 6: Final answer
    x = 58,534,092.73

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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.