Home / 115,336,432.69-159,163,704.25-62,413,103.05

Finding the Fourth Proportional to 115,336,432.69, 159,163,704.25 and 62,413,103.05

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Solution

The fourth proportional to 115,336,432.69, 159,163,704.25 and 62,413,103.05 is: 86,129,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,336,432.69 : 159,163,704.25 = 62,413,103.05 : x
  2. Step 2: Convert to fraction form
    115,336,432.69/159,163,704.25 = 62,413,103.05/x
  3. Step 3: Cross multiply
    115,336,432.69x = 159,163,704.25 × 62,413,103.05
  4. Step 4: Simplify right side
    115,336,432.69x = 9,933,900,674,379,154
  5. Step 5: Solve for x
    x = 9,933,900,674,379,154/115,336,432.69
  6. Step 6: Final answer
    x = 86,129,772.21

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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.