Home / 88,315,361.40-121,875,204.20-49,156,298.04

Finding the Fourth Proportional to 88,315,361.40, 121,875,204.20 and 49,156,298.04

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Solution

The fourth proportional to 88,315,361.40, 121,875,204.20 and 49,156,298.04 is: 67,835,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315,361.40 : 121,875,204.20 = 49,156,298.04 : x
  2. Step 2: Convert to fraction form
    88,315,361.40/121,875,204.20 = 49,156,298.04/x
  3. Step 3: Cross multiply
    88,315,361.40x = 121,875,204.20 × 49,156,298.04
  4. Step 4: Simplify right side
    88,315,361.40x = 5,990,933,861,341,060
  5. Step 5: Solve for x
    x = 5,990,933,861,341,060/88,315,361.40
  6. Step 6: Final answer
    x = 67,835,694.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.