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Finding the Fourth Proportional to 207,199,793.60, 310,911,664.80 and 92,202,084.80

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Solution

The fourth proportional to 207,199,793.60, 310,911,664.80 and 92,202,084.80 is: 138,352,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,199,793.60 : 310,911,664.80 = 92,202,084.80 : x
  2. Step 2: Convert to fraction form
    207,199,793.60/310,911,664.80 = 92,202,084.80/x
  3. Step 3: Cross multiply
    207,199,793.60x = 310,911,664.80 × 92,202,084.80
  4. Step 4: Simplify right side
    207,199,793.60x = 28,666,703,683,198,776
  5. Step 5: Solve for x
    x = 28,666,703,683,198,776/207,199,793.60
  6. Step 6: Final answer
    x = 138,352,954.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.