Home / 70,247,809.42-105,371,122.98-54,908,001.88

Finding the Fourth Proportional to 70,247,809.42, 105,371,122.98 and 54,908,001.88

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Solution

The fourth proportional to 70,247,809.42, 105,371,122.98 and 54,908,001.88 is: 82,361,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247,809.42 : 105,371,122.98 = 54,908,001.88 : x
  2. Step 2: Convert to fraction form
    70,247,809.42/105,371,122.98 = 54,908,001.88/x
  3. Step 3: Cross multiply
    70,247,809.42x = 105,371,122.98 × 54,908,001.88
  4. Step 4: Simplify right side
    70,247,809.42x = 5,785,717,818,683,552
  5. Step 5: Solve for x
    x = 5,785,717,818,683,552/70,247,809.42
  6. Step 6: Final answer
    x = 82,361,540.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.