Home / 78,832,497.86-108,791,958.56-45,341,923.17

Finding the Fourth Proportional to 78,832,497.86, 108,791,958.56 and 45,341,923.17

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Solution

The fourth proportional to 78,832,497.86, 108,791,958.56 and 45,341,923.17 is: 62,573,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832,497.86 : 108,791,958.56 = 45,341,923.17 : x
  2. Step 2: Convert to fraction form
    78,832,497.86/108,791,958.56 = 45,341,923.17/x
  3. Step 3: Cross multiply
    78,832,497.86x = 108,791,958.56 × 45,341,923.17
  4. Step 4: Simplify right side
    78,832,497.86x = 4,932,836,626,314,635
  5. Step 5: Solve for x
    x = 4,932,836,626,314,635/78,832,497.86
  6. Step 6: Final answer
    x = 62,573,643.62

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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.