Home / 111,424,304.12-153,770,342.09-61,864,680.24

Finding the Fourth Proportional to 111,424,304.12, 153,770,342.09 and 61,864,680.24

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Solution

The fourth proportional to 111,424,304.12, 153,770,342.09 and 61,864,680.24 is: 85,375,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,424,304.12 : 153,770,342.09 = 61,864,680.24 : x
  2. Step 2: Convert to fraction form
    111,424,304.12/153,770,342.09 = 61,864,680.24/x
  3. Step 3: Cross multiply
    111,424,304.12x = 153,770,342.09 × 61,864,680.24
  4. Step 4: Simplify right side
    111,424,304.12x = 9,512,953,043,483,940
  5. Step 5: Solve for x
    x = 9,512,953,043,483,940/111,424,304.12
  6. Step 6: Final answer
    x = 85,375,925.11

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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.