Home / 447,865,346.10-671,750,261.55-156,738,029.70

Finding the Fourth Proportional to 447,865,346.10, 671,750,261.55 and 156,738,029.70

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Solution

The fourth proportional to 447,865,346.10, 671,750,261.55 and 156,738,029.70 is: 235,090,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,865,346.10 : 671,750,261.55 = 156,738,029.70 : x
  2. Step 2: Convert to fraction form
    447,865,346.10/671,750,261.55 = 156,738,029.70/x
  3. Step 3: Cross multiply
    447,865,346.10x = 671,750,261.55 × 156,738,029.70
  4. Step 4: Simplify right side
    447,865,346.10x = 105,288,812,445,806,656
  5. Step 5: Solve for x
    x = 105,288,812,445,806,656/447,865,346.10
  6. Step 6: Final answer
    x = 235,090,330.97

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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.