Home / 268,000,871.20-402,001,306.80-73,942,237.60

Finding the Fourth Proportional to 268,000,871.20, 402,001,306.80 and 73,942,237.60

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Solution

The fourth proportional to 268,000,871.20, 402,001,306.80 and 73,942,237.60 is: 110,913,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,000,871.20 : 402,001,306.80 = 73,942,237.60 : x
  2. Step 2: Convert to fraction form
    268,000,871.20/402,001,306.80 = 73,942,237.60/x
  3. Step 3: Cross multiply
    268,000,871.20x = 402,001,306.80 × 73,942,237.60
  4. Step 4: Simplify right side
    268,000,871.20x = 29,724,876,142,916,096
  5. Step 5: Solve for x
    x = 29,724,876,142,916,096/268,000,871.20
  6. Step 6: Final answer
    x = 110,913,356.40

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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.