Home / 57,132,828.16-78,867,430.28-38,573,109.83

Finding the Fourth Proportional to 57,132,828.16, 78,867,430.28 and 38,573,109.83

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Solution

The fourth proportional to 57,132,828.16, 78,867,430.28 and 38,573,109.83 is: 53,247,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132,828.16 : 78,867,430.28 = 38,573,109.83 : x
  2. Step 2: Convert to fraction form
    57,132,828.16/78,867,430.28 = 38,573,109.83/x
  3. Step 3: Cross multiply
    57,132,828.16x = 78,867,430.28 × 38,573,109.83
  4. Step 4: Simplify right side
    57,132,828.16x = 3,042,162,050,349,260
  5. Step 5: Solve for x
    x = 3,042,162,050,349,260/57,132,828.16
  6. Step 6: Final answer
    x = 53,247,181.15

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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.