Home / 92,675,287.47-127,883,443.14-54,991,956.78

Finding the Fourth Proportional to 92,675,287.47, 127,883,443.14 and 54,991,956.78

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Solution

The fourth proportional to 92,675,287.47, 127,883,443.14 and 54,991,956.78 is: 75,883,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,675,287.47 : 127,883,443.14 = 54,991,956.78 : x
  2. Step 2: Convert to fraction form
    92,675,287.47/127,883,443.14 = 54,991,956.78/x
  3. Step 3: Cross multiply
    92,675,287.47x = 127,883,443.14 × 54,991,956.78
  4. Step 4: Simplify right side
    92,675,287.47x = 7,032,560,778,032,468
  5. Step 5: Solve for x
    x = 7,032,560,778,032,468/92,675,287.47
  6. Step 6: Final answer
    x = 75,883,884.15

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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.