Home / 48,418,859.46-66,780,226.53-31,016,822.70

Finding the Fourth Proportional to 48,418,859.46, 66,780,226.53 and 31,016,822.70

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Solution

The fourth proportional to 48,418,859.46, 66,780,226.53 and 31,016,822.70 is: 42,779,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,418,859.46 : 66,780,226.53 = 31,016,822.70 : x
  2. Step 2: Convert to fraction form
    48,418,859.46/66,780,226.53 = 31,016,822.70/x
  3. Step 3: Cross multiply
    48,418,859.46x = 66,780,226.53 × 31,016,822.70
  4. Step 4: Simplify right side
    48,418,859.46x = 2,071,310,446,146,846.25
  5. Step 5: Solve for x
    x = 2,071,310,446,146,846.25/48,418,859.46
  6. Step 6: Final answer
    x = 42,779,001.18

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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.