Home / 57,132,866.16-78,867,482.68-38,573,147.76

Finding the Fourth Proportional to 57,132,866.16, 78,867,482.68 and 38,573,147.76

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Solution

The fourth proportional to 57,132,866.16, 78,867,482.68 and 38,573,147.76 is: 53,247,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132,866.16 : 78,867,482.68 = 38,573,147.76 : x
  2. Step 2: Convert to fraction form
    57,132,866.16/78,867,482.68 = 38,573,147.76/x
  3. Step 3: Cross multiply
    57,132,866.16x = 78,867,482.68 × 38,573,147.76
  4. Step 4: Simplify right side
    57,132,866.16x = 3,042,167,062,874,881
  5. Step 5: Solve for x
    x = 3,042,167,062,874,881/57,132,866.16
  6. Step 6: Final answer
    x = 53,247,233.46

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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.