Home / 107,941,338.20-161,856,020.10-39,748,928.60

Finding the Fourth Proportional to 107,941,338.20, 161,856,020.10 and 39,748,928.60

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Solution

The fourth proportional to 107,941,338.20, 161,856,020.10 and 39,748,928.60 is: 59,602,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941,338.20 : 161,856,020.10 = 39,748,928.60 : x
  2. Step 2: Convert to fraction form
    107,941,338.20/161,856,020.10 = 39,748,928.60/x
  3. Step 3: Cross multiply
    107,941,338.20x = 161,856,020.10 × 39,748,928.60
  4. Step 4: Simplify right side
    107,941,338.20x = 6,433,603,386,435,065
  5. Step 5: Solve for x
    x = 6,433,603,386,435,065/107,941,338.20
  6. Step 6: Final answer
    x = 59,602,775.86

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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.