Home / 116,841,568.77-160,397,020.40-100,292,963.54

Finding the Fourth Proportional to 116,841,568.77, 160,397,020.40 and 100,292,963.54

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Solution

The fourth proportional to 116,841,568.77, 160,397,020.40 and 100,292,963.54 is: 137,679,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,841,568.77 : 160,397,020.40 = 100,292,963.54 : x
  2. Step 2: Convert to fraction form
    116,841,568.77/160,397,020.40 = 100,292,963.54/x
  3. Step 3: Cross multiply
    116,841,568.77x = 160,397,020.40 × 100,292,963.54
  4. Step 4: Simplify right side
    116,841,568.77x = 16,086,692,517,598,386
  5. Step 5: Solve for x
    x = 16,086,692,517,598,386/116,841,568.77
  6. Step 6: Final answer
    x = 137,679,532.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.