Home / 82,046,139.08-113,258,534.46-51,121,587.29

Finding the Fourth Proportional to 82,046,139.08, 113,258,534.46 and 51,121,587.29

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Solution

The fourth proportional to 82,046,139.08, 113,258,534.46 and 51,121,587.29 is: 70,569,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,139.08 : 113,258,534.46 = 51,121,587.29 : x
  2. Step 2: Convert to fraction form
    82,046,139.08/113,258,534.46 = 51,121,587.29/x
  3. Step 3: Cross multiply
    82,046,139.08x = 113,258,534.46 × 51,121,587.29
  4. Step 4: Simplify right side
    82,046,139.08x = 5,789,956,055,734,363
  5. Step 5: Solve for x
    x = 5,789,956,055,734,363/82,046,139.08
  6. Step 6: Final answer
    x = 70,569,512.72

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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.