Home / 148,451,812.80-222,733,706.40-71,842,660.80

Finding the Fourth Proportional to 148,451,812.80, 222,733,706.40 and 71,842,660.80

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Solution

The fourth proportional to 148,451,812.80, 222,733,706.40 and 71,842,660.80 is: 107,791,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,451,812.80 : 222,733,706.40 = 71,842,660.80 : x
  2. Step 2: Convert to fraction form
    148,451,812.80/222,733,706.40 = 71,842,660.80/x
  3. Step 3: Cross multiply
    148,451,812.80x = 222,733,706.40 × 71,842,660.80
  4. Step 4: Simplify right side
    148,451,812.80x = 16,001,782,117,621,988
  5. Step 5: Solve for x
    x = 16,001,782,117,621,988/148,451,812.80
  6. Step 6: Final answer
    x = 107,791,085.98

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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.