Home / 208,573,301.60-312,897,277.20-87,417,000.80

Finding the Fourth Proportional to 208,573,301.60, 312,897,277.20 and 87,417,000.80

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Solution

The fourth proportional to 208,573,301.60, 312,897,277.20 and 87,417,000.80 is: 131,141,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,573,301.60 : 312,897,277.20 = 87,417,000.80 : x
  2. Step 2: Convert to fraction form
    208,573,301.60/312,897,277.20 = 87,417,000.80/x
  3. Step 3: Cross multiply
    208,573,301.60x = 312,897,277.20 × 87,417,000.80
  4. Step 4: Simplify right side
    208,573,301.60x = 27,352,541,531,310,220
  5. Step 5: Solve for x
    x = 27,352,541,531,310,220/208,573,301.60
  6. Step 6: Final answer
    x = 131,141,144.73

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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.