Home / 111,332,220.48-153,643,640.28-69,541,029.48

Finding the Fourth Proportional to 111,332,220.48, 153,643,640.28 and 69,541,029.48

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Solution

The fourth proportional to 111,332,220.48, 153,643,640.28 and 69,541,029.48 is: 95,969,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,332,220.48 : 153,643,640.28 = 69,541,029.48 : x
  2. Step 2: Convert to fraction form
    111,332,220.48/153,643,640.28 = 69,541,029.48/x
  3. Step 3: Cross multiply
    111,332,220.48x = 153,643,640.28 × 69,541,029.48
  4. Step 4: Simplify right side
    111,332,220.48x = 10,684,536,918,125,996
  5. Step 5: Solve for x
    x = 10,684,536,918,125,996/111,332,220.48
  6. Step 6: Final answer
    x = 95,969,853.76

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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.