Home / 71,118,438.60-106,677,657.90-68,132,454.60

Finding the Fourth Proportional to 71,118,438.60, 106,677,657.90 and 68,132,454.60

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Solution

The fourth proportional to 71,118,438.60, 106,677,657.90 and 68,132,454.60 is: 102,198,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,118,438.60 : 106,677,657.90 = 68,132,454.60 : x
  2. Step 2: Convert to fraction form
    71,118,438.60/106,677,657.90 = 68,132,454.60/x
  3. Step 3: Cross multiply
    71,118,438.60x = 106,677,657.90 × 68,132,454.60
  4. Step 4: Simplify right side
    71,118,438.60x = 7,268,210,683,706,081
  5. Step 5: Solve for x
    x = 7,268,210,683,706,081/71,118,438.60
  6. Step 6: Final answer
    x = 102,198,681.90

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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.