Home / 174,541,430.10-261,812,145.15-77,394,015.30

Finding the Fourth Proportional to 174,541,430.10, 261,812,145.15 and 77,394,015.30

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Solution

The fourth proportional to 174,541,430.10, 261,812,145.15 and 77,394,015.30 is: 116,091,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,541,430.10 : 261,812,145.15 = 77,394,015.30 : x
  2. Step 2: Convert to fraction form
    174,541,430.10/261,812,145.15 = 77,394,015.30/x
  3. Step 3: Cross multiply
    174,541,430.10x = 261,812,145.15 × 77,394,015.30
  4. Step 4: Simplify right side
    174,541,430.10x = 20,262,693,167,464,920
  5. Step 5: Solve for x
    x = 20,262,693,167,464,920/174,541,430.10
  6. Step 6: Final answer
    x = 116,091,022.95

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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.