Home / 54,512,785.85-81,805,541.72-28,275,802.47

Finding the Fourth Proportional to 54,512,785.85, 81,805,541.72 and 28,275,802.47

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Solution

The fourth proportional to 54,512,785.85, 81,805,541.72 and 28,275,802.47 is: 42,432,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,512,785.85 : 81,805,541.72 = 28,275,802.47 : x
  2. Step 2: Convert to fraction form
    54,512,785.85/81,805,541.72 = 28,275,802.47/x
  3. Step 3: Cross multiply
    54,512,785.85x = 81,805,541.72 × 28,275,802.47
  4. Step 4: Simplify right side
    54,512,785.85x = 2,313,117,338,484,685
  5. Step 5: Solve for x
    x = 2,313,117,338,484,685/54,512,785.85
  6. Step 6: Final answer
    x = 42,432,565.18

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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.