Home / 208,061,806.74-311,658,412.57-124,799,502.61

Finding the Fourth Proportional to 208,061,806.74, 311,658,412.57 and 124,799,502.61

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Solution

The fourth proportional to 208,061,806.74, 311,658,412.57 and 124,799,502.61 is: 186,938,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,061,806.74 : 311,658,412.57 = 124,799,502.61 : x
  2. Step 2: Convert to fraction form
    208,061,806.74/311,658,412.57 = 124,799,502.61/x
  3. Step 3: Cross multiply
    208,061,806.74x = 311,658,412.57 × 124,799,502.61
  4. Step 4: Simplify right side
    208,061,806.74x = 38,894,814,872,958,168
  5. Step 5: Solve for x
    x = 38,894,814,872,958,168/208,061,806.74
  6. Step 6: Final answer
    x = 186,938,753.84

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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.