Home / 217,312,952.40-325,857,454.20-80,928,133.20

Finding the Fourth Proportional to 217,312,952.40, 325,857,454.20 and 80,928,133.20

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Solution

The fourth proportional to 217,312,952.40, 325,857,454.20 and 80,928,133.20 is: 121,350,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,312,952.40 : 325,857,454.20 = 80,928,133.20 : x
  2. Step 2: Convert to fraction form
    217,312,952.40/325,857,454.20 = 80,928,133.20/x
  3. Step 3: Cross multiply
    217,312,952.40x = 325,857,454.20 × 80,928,133.20
  4. Step 4: Simplify right side
    217,312,952.40x = 26,371,035,457,710,500
  5. Step 5: Solve for x
    x = 26,371,035,457,710,500/217,312,952.40
  6. Step 6: Final answer
    x = 121,350,500.13

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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.