Home / 312,012,176.40-468,074,251.80-130,277,725.20

Finding the Fourth Proportional to 312,012,176.40, 468,074,251.80 and 130,277,725.20

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Solution

The fourth proportional to 312,012,176.40, 468,074,251.80 and 130,277,725.20 is: 195,439,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,012,176.40 : 468,074,251.80 = 130,277,725.20 : x
  2. Step 2: Convert to fraction form
    312,012,176.40/468,074,251.80 = 130,277,725.20/x
  3. Step 3: Cross multiply
    312,012,176.40x = 468,074,251.80 × 130,277,725.20
  4. Step 4: Simplify right side
    312,012,176.40x = 60,979,648,749,196,008
  5. Step 5: Solve for x
    x = 60,979,648,749,196,008/312,012,176.40
  6. Step 6: Final answer
    x = 195,439,964.72

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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.