Home / 121,991,856.20-182,986,617.90-29,875,999.40

Finding the Fourth Proportional to 121,991,856.20, 182,986,617.90 and 29,875,999.40

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Solution

The fourth proportional to 121,991,856.20, 182,986,617.90 and 29,875,999.40 is: 44,813,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,991,856.20 : 182,986,617.90 = 29,875,999.40 : x
  2. Step 2: Convert to fraction form
    121,991,856.20/182,986,617.90 = 29,875,999.40/x
  3. Step 3: Cross multiply
    121,991,856.20x = 182,986,617.90 × 29,875,999.40
  4. Step 4: Simplify right side
    121,991,856.20x = 5,466,908,086,588,429
  5. Step 5: Solve for x
    x = 5,466,908,086,588,429/121,991,856.20
  6. Step 6: Final answer
    x = 44,813,713.45

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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.