Home / 278,502,905.55-417,754,358.33-74,030,980.80

Finding the Fourth Proportional to 278,502,905.55, 417,754,358.33 and 74,030,980.80

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Solution

The fourth proportional to 278,502,905.55, 417,754,358.33 and 74,030,980.80 is: 111,046,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,502,905.55 : 417,754,358.33 = 74,030,980.80 : x
  2. Step 2: Convert to fraction form
    278,502,905.55/417,754,358.33 = 74,030,980.80/x
  3. Step 3: Cross multiply
    278,502,905.55x = 417,754,358.33 × 74,030,980.80
  4. Step 4: Simplify right side
    278,502,905.55x = 30,926,764,880,644,548
  5. Step 5: Solve for x
    x = 30,926,764,880,644,548/278,502,905.55
  6. Step 6: Final answer
    x = 111,046,471.20

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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.