Home / 77,179,818.60-106,508,335.62-42,374,752.56

Finding the Fourth Proportional to 77,179,818.60, 106,508,335.62 and 42,374,752.56

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Solution

The fourth proportional to 77,179,818.60, 106,508,335.62 and 42,374,752.56 is: 58,477,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,179,818.60 : 106,508,335.62 = 42,374,752.56 : x
  2. Step 2: Convert to fraction form
    77,179,818.60/106,508,335.62 = 42,374,752.56/x
  3. Step 3: Cross multiply
    77,179,818.60x = 106,508,335.62 × 42,374,752.56
  4. Step 4: Simplify right side
    77,179,818.60x = 4,513,264,367,474,935
  5. Step 5: Solve for x
    x = 4,513,264,367,474,935/77,179,818.60
  6. Step 6: Final answer
    x = 58,477,260.63

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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.