Home / 82,506,261.72-113,780,595.92-54,198,657.73

Finding the Fourth Proportional to 82,506,261.72, 113,780,595.92 and 54,198,657.73

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Solution

The fourth proportional to 82,506,261.72, 113,780,595.92 and 54,198,657.73 is: 74,742,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,506,261.72 : 113,780,595.92 = 54,198,657.73 : x
  2. Step 2: Convert to fraction form
    82,506,261.72/113,780,595.92 = 54,198,657.73/x
  3. Step 3: Cross multiply
    82,506,261.72x = 113,780,595.92 × 54,198,657.73
  4. Step 4: Simplify right side
    82,506,261.72x = 6,166,755,574,454,748
  5. Step 5: Solve for x
    x = 6,166,755,574,454,748/82,506,261.72
  6. Step 6: Final answer
    x = 74,742,879.46

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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.