Home / 57,454,898.32-86,175,981.18-20,565,314.95

Finding the Fourth Proportional to 57,454,898.32, 86,175,981.18 and 20,565,314.95

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Solution

The fourth proportional to 57,454,898.32, 86,175,981.18 and 20,565,314.95 is: 30,845,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454,898.32 : 86,175,981.18 = 20,565,314.95 : x
  2. Step 2: Convert to fraction form
    57,454,898.32/86,175,981.18 = 20,565,314.95/x
  3. Step 3: Cross multiply
    57,454,898.32x = 86,175,981.18 × 20,565,314.95
  4. Step 4: Simplify right side
    57,454,898.32x = 1,772,236,194,091,972.75
  5. Step 5: Solve for x
    x = 1,772,236,194,091,972.75/57,454,898.32
  6. Step 6: Final answer
    x = 30,845,693.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.