Home / 129,276,596.20-193,914,894.30-103,767,428.20

Finding the Fourth Proportional to 129,276,596.20, 193,914,894.30 and 103,767,428.20

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Solution

The fourth proportional to 129,276,596.20, 193,914,894.30 and 103,767,428.20 is: 155,651,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,596.20 : 193,914,894.30 = 103,767,428.20 : x
  2. Step 2: Convert to fraction form
    129,276,596.20/193,914,894.30 = 103,767,428.20/x
  3. Step 3: Cross multiply
    129,276,596.20x = 193,914,894.30 × 103,767,428.20
  4. Step 4: Simplify right side
    129,276,596.20x = 20,122,049,871,185,840
  5. Step 5: Solve for x
    x = 20,122,049,871,185,840/129,276,596.20
  6. Step 6: Final answer
    x = 155,651,142.30

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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.