Home / 71,043,438.80-106,565,158.20-17,190,750.80

Finding the Fourth Proportional to 71,043,438.80, 106,565,158.20 and 17,190,750.80

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Solution

The fourth proportional to 71,043,438.80, 106,565,158.20 and 17,190,750.80 is: 25,786,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043,438.80 : 106,565,158.20 = 17,190,750.80 : x
  2. Step 2: Convert to fraction form
    71,043,438.80/106,565,158.20 = 17,190,750.80/x
  3. Step 3: Cross multiply
    71,043,438.80x = 106,565,158.20 × 17,190,750.80
  4. Step 4: Simplify right side
    71,043,438.80x = 1,831,935,078,578,776.75
  5. Step 5: Solve for x
    x = 1,831,935,078,578,776.75/71,043,438.80
  6. Step 6: Final answer
    x = 25,786,126.20

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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.