Home / 57,358,257.71-79,154,407.02-31,252,775.54

Finding the Fourth Proportional to 57,358,257.71, 79,154,407.02 and 31,252,775.54

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Solution

The fourth proportional to 57,358,257.71, 79,154,407.02 and 31,252,775.54 is: 43,128,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358,257.71 : 79,154,407.02 = 31,252,775.54 : x
  2. Step 2: Convert to fraction form
    57,358,257.71/79,154,407.02 = 31,252,775.54/x
  3. Step 3: Cross multiply
    57,358,257.71x = 79,154,407.02 × 31,252,775.54
  4. Step 4: Simplify right side
    57,358,257.71x = 2,473,794,915,260,687
  5. Step 5: Solve for x
    x = 2,473,794,915,260,687/57,358,257.71
  6. Step 6: Final answer
    x = 43,128,836.44

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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.