Home / 55,925,891.95-77,180,125.36-31,146,078.72

Finding the Fourth Proportional to 55,925,891.95, 77,180,125.36 and 31,146,078.72

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Solution

The fourth proportional to 55,925,891.95, 77,180,125.36 and 31,146,078.72 is: 42,982,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,891.95 : 77,180,125.36 = 31,146,078.72 : x
  2. Step 2: Convert to fraction form
    55,925,891.95/77,180,125.36 = 31,146,078.72/x
  3. Step 3: Cross multiply
    55,925,891.95x = 77,180,125.36 × 31,146,078.72
  4. Step 4: Simplify right side
    55,925,891.95x = 2,403,858,259,722,622.50
  5. Step 5: Solve for x
    x = 2,403,858,259,722,622.50/55,925,891.95
  6. Step 6: Final answer
    x = 42,982,922.14

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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.