Home / 185,830,674.15-278,686,335.28-61,305,310.78

Finding the Fourth Proportional to 185,830,674.15, 278,686,335.28 and 61,305,310.78

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Solution

The fourth proportional to 185,830,674.15, 278,686,335.28 and 61,305,310.78 is: 91,938,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,830,674.15 : 278,686,335.28 = 61,305,310.78 : x
  2. Step 2: Convert to fraction form
    185,830,674.15/278,686,335.28 = 61,305,310.78/x
  3. Step 3: Cross multiply
    185,830,674.15x = 278,686,335.28 × 61,305,310.78
  4. Step 4: Simplify right side
    185,830,674.15x = 17,084,952,395,427,204
  5. Step 5: Solve for x
    x = 17,084,952,395,427,204/185,830,674.15
  6. Step 6: Final answer
    x = 91,938,279.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.