Home / 77,079,893.52-115,683,447.96-38,752,300.56

Finding the Fourth Proportional to 77,079,893.52, 115,683,447.96 and 38,752,300.56

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Solution

The fourth proportional to 77,079,893.52, 115,683,447.96 and 38,752,300.56 is: 58,160,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,079,893.52 : 115,683,447.96 = 38,752,300.56 : x
  2. Step 2: Convert to fraction form
    77,079,893.52/115,683,447.96 = 38,752,300.56/x
  3. Step 3: Cross multiply
    77,079,893.52x = 115,683,447.96 × 38,752,300.56
  4. Step 4: Simplify right side
    77,079,893.52x = 4,482,999,745,163,039
  5. Step 5: Solve for x
    x = 4,482,999,745,163,039/77,079,893.52
  6. Step 6: Final answer
    x = 58,160,429.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.