Home / 111,443,953.38-153,793,138.62-61,884,175.44

Finding the Fourth Proportional to 111,443,953.38, 153,793,138.62 and 61,884,175.44

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Solution

The fourth proportional to 111,443,953.38, 153,793,138.62 and 61,884,175.44 is: 85,400,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,443,953.38 : 153,793,138.62 = 61,884,175.44 : x
  2. Step 2: Convert to fraction form
    111,443,953.38/153,793,138.62 = 61,884,175.44/x
  3. Step 3: Cross multiply
    111,443,953.38x = 153,793,138.62 × 61,884,175.44
  4. Step 4: Simplify right side
    111,443,953.38x = 9,517,361,571,828,320
  5. Step 5: Solve for x
    x = 9,517,361,571,828,320/111,443,953.38
  6. Step 6: Final answer
    x = 85,400,430.29

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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.