Home / 55,925,913.76-77,180,155.44-31,146,100.44

Finding the Fourth Proportional to 55,925,913.76, 77,180,155.44 and 31,146,100.44

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Solution

The fourth proportional to 55,925,913.76, 77,180,155.44 and 31,146,100.44 is: 42,982,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,913.76 : 77,180,155.44 = 31,146,100.44 : x
  2. Step 2: Convert to fraction form
    55,925,913.76/77,180,155.44 = 31,146,100.44/x
  3. Step 3: Cross multiply
    55,925,913.76x = 77,180,155.44 × 31,146,100.44
  4. Step 4: Simplify right side
    55,925,913.76x = 2,403,860,873,309,052.50
  5. Step 5: Solve for x
    x = 2,403,860,873,309,052.50/55,925,913.76
  6. Step 6: Final answer
    x = 42,982,952.12

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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.