Home / 143,385,874.40-214,680,680.40-139,404,562.40

Finding the Fourth Proportional to 143,385,874.40, 214,680,680.40 and 139,404,562.40

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Solution

The fourth proportional to 143,385,874.40, 214,680,680.40 and 139,404,562.40 is: 208,719,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,385,874.40 : 214,680,680.40 = 139,404,562.40 : x
  2. Step 2: Convert to fraction form
    143,385,874.40/214,680,680.40 = 139,404,562.40/x
  3. Step 3: Cross multiply
    143,385,874.40x = 214,680,680.40 × 139,404,562.40
  4. Step 4: Simplify right side
    143,385,874.40x = 29,927,466,306,896,260
  5. Step 5: Solve for x
    x = 29,927,466,306,896,260/143,385,874.40
  6. Step 6: Final answer
    x = 208,719,767.08

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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.