Home / 81,088,425-121,631,660.64-32,565,407.40

Finding the Fourth Proportional to 81,088,425, 121,631,660.64 and 32,565,407.40

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Solution

The fourth proportional to 81,088,425, 121,631,660.64 and 32,565,407.40 is: 48,847,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,088,425 : 121,631,660.64 = 32,565,407.40 : x
  2. Step 2: Convert to fraction form
    81,088,425/121,631,660.64 = 32,565,407.40/x
  3. Step 3: Cross multiply
    81,088,425x = 121,631,660.64 × 32,565,407.40
  4. Step 4: Simplify right side
    81,088,425x = 3,960,984,581,480,144.50
  5. Step 5: Solve for x
    x = 3,960,984,581,480,144.50/81,088,425
  6. Step 6: Final answer
    x = 48,847,718.79

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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.