Home / 103,558,393.62-142,914,015.72-56,518,042.86

Finding the Fourth Proportional to 103,558,393.62, 142,914,015.72 and 56,518,042.86

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Solution

The fourth proportional to 103,558,393.62, 142,914,015.72 and 56,518,042.86 is: 77,996,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558,393.62 : 142,914,015.72 = 56,518,042.86 : x
  2. Step 2: Convert to fraction form
    103,558,393.62/142,914,015.72 = 56,518,042.86/x
  3. Step 3: Cross multiply
    103,558,393.62x = 142,914,015.72 × 56,518,042.86
  4. Step 4: Simplify right side
    103,558,393.62x = 8,077,220,465,757,674
  5. Step 5: Solve for x
    x = 8,077,220,465,757,674/103,558,393.62
  6. Step 6: Final answer
    x = 77,996,772.48

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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.