Home / 98,650,484.70-136,136,665.80-54,597,568.74

Finding the Fourth Proportional to 98,650,484.70, 136,136,665.80 and 54,597,568.74

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Solution

The fourth proportional to 98,650,484.70, 136,136,665.80 and 54,597,568.74 is: 75,344,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,650,484.70 : 136,136,665.80 = 54,597,568.74 : x
  2. Step 2: Convert to fraction form
    98,650,484.70/136,136,665.80 = 54,597,568.74/x
  3. Step 3: Cross multiply
    98,650,484.70x = 136,136,665.80 × 54,597,568.74
  4. Step 4: Simplify right side
    98,650,484.70x = 7,432,730,969,049,908
  5. Step 5: Solve for x
    x = 7,432,730,969,049,908/98,650,484.70
  6. Step 6: Final answer
    x = 75,344,089.71

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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.