Home / 78,345,252.63-108,002,501.37-54,750,535.20

Finding the Fourth Proportional to 78,345,252.63, 108,002,501.37 and 54,750,535.20

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Solution

The fourth proportional to 78,345,252.63, 108,002,501.37 and 54,750,535.20 is: 75,476,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,345,252.63 : 108,002,501.37 = 54,750,535.20 : x
  2. Step 2: Convert to fraction form
    78,345,252.63/108,002,501.37 = 54,750,535.20/x
  3. Step 3: Cross multiply
    78,345,252.63x = 108,002,501.37 × 54,750,535.20
  4. Step 4: Simplify right side
    78,345,252.63x = 5,913,194,752,946,234
  5. Step 5: Solve for x
    x = 5,913,194,752,946,234/78,345,252.63
  6. Step 6: Final answer
    x = 75,476,108.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.