Home / 143,386,117.40-215,079,176.10-47,648,005.40

Finding the Fourth Proportional to 143,386,117.40, 215,079,176.10 and 47,648,005.40

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Solution

The fourth proportional to 143,386,117.40, 215,079,176.10 and 47,648,005.40 is: 71,472,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,386,117.40 : 215,079,176.10 = 47,648,005.40 : x
  2. Step 2: Convert to fraction form
    143,386,117.40/215,079,176.10 = 47,648,005.40/x
  3. Step 3: Cross multiply
    143,386,117.40x = 215,079,176.10 × 47,648,005.40
  4. Step 4: Simplify right side
    143,386,117.40x = 10,248,093,744,240,350
  5. Step 5: Solve for x
    x = 10,248,093,744,240,350/143,386,117.40
  6. Step 6: Final answer
    x = 71,472,008.10

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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.