Home / 342,673,286.60-514,303,862.70-138,348,000.20

Finding the Fourth Proportional to 342,673,286.60, 514,303,862.70 and 138,348,000.20

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Solution

The fourth proportional to 342,673,286.60, 514,303,862.70 and 138,348,000.20 is: 207,640,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,673,286.60 : 514,303,862.70 = 138,348,000.20 : x
  2. Step 2: Convert to fraction form
    342,673,286.60/514,303,862.70 = 138,348,000.20/x
  3. Step 3: Cross multiply
    342,673,286.60x = 514,303,862.70 × 138,348,000.20
  4. Step 4: Simplify right side
    342,673,286.60x = 71,152,910,899,680,368
  5. Step 5: Solve for x
    x = 71,152,910,899,680,368/342,673,286.60
  6. Step 6: Final answer
    x = 207,640,670.23

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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.