Home / 87,570,228.60-131,166,386.10-72,453,684.60

Finding the Fourth Proportional to 87,570,228.60, 131,166,386.10 and 72,453,684.60

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Solution

The fourth proportional to 87,570,228.60, 131,166,386.10 and 72,453,684.60 is: 108,524,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570,228.60 : 131,166,386.10 = 72,453,684.60 : x
  2. Step 2: Convert to fraction form
    87,570,228.60/131,166,386.10 = 72,453,684.60/x
  3. Step 3: Cross multiply
    87,570,228.60x = 131,166,386.10 × 72,453,684.60
  4. Step 4: Simplify right side
    87,570,228.60x = 9,503,487,968,611,222
  5. Step 5: Solve for x
    x = 9,503,487,968,611,222/87,570,228.60
  6. Step 6: Final answer
    x = 108,524,188.19

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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.