Home / 85,551,694.40-128,295,930.72-37,036,642.88

Finding the Fourth Proportional to 85,551,694.40, 128,295,930.72 and 37,036,642.88

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Solution

The fourth proportional to 85,551,694.40, 128,295,930.72 and 37,036,642.88 is: 55,541,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,551,694.40 : 128,295,930.72 = 37,036,642.88 : x
  2. Step 2: Convert to fraction form
    85,551,694.40/128,295,930.72 = 37,036,642.88/x
  3. Step 3: Cross multiply
    85,551,694.40x = 128,295,930.72 × 37,036,642.88
  4. Step 4: Simplify right side
    85,551,694.40x = 4,751,650,569,033,862
  5. Step 5: Solve for x
    x = 4,751,650,569,033,862/85,551,694.40
  6. Step 6: Final answer
    x = 55,541,279.48

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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.