Home / 342,363,738.89-513,226,119.92-135,103,865.83

Finding the Fourth Proportional to 342,363,738.89, 513,226,119.92 and 135,103,865.83

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Solution

The fourth proportional to 342,363,738.89, 513,226,119.92 and 135,103,865.83 is: 202,529,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,363,738.89 : 513,226,119.92 = 135,103,865.83 : x
  2. Step 2: Convert to fraction form
    342,363,738.89/513,226,119.92 = 135,103,865.83/x
  3. Step 3: Cross multiply
    342,363,738.89x = 513,226,119.92 × 135,103,865.83
  4. Step 4: Simplify right side
    342,363,738.89x = 69,338,832,844,164,584
  5. Step 5: Solve for x
    x = 69,338,832,844,164,584/342,363,738.89
  6. Step 6: Final answer
    x = 202,529,721.96

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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.