Home / 69,227,905.64-103,842,034.40-28,287,344.92

Finding the Fourth Proportional to 69,227,905.64, 103,842,034.40 and 28,287,344.92

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Solution

The fourth proportional to 69,227,905.64, 103,842,034.40 and 28,287,344.92 is: 42,431,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,227,905.64 : 103,842,034.40 = 28,287,344.92 : x
  2. Step 2: Convert to fraction form
    69,227,905.64/103,842,034.40 = 28,287,344.92/x
  3. Step 3: Cross multiply
    69,227,905.64x = 103,842,034.40 × 28,287,344.92
  4. Step 4: Simplify right side
    69,227,905.64x = 2,937,415,444,267,305.50
  5. Step 5: Solve for x
    x = 2,937,415,444,267,305.50/69,227,905.64
  6. Step 6: Final answer
    x = 42,431,089.27

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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.