Home / 127,070,305.08-190,686,073.41-54,287,633.31

Finding the Fourth Proportional to 127,070,305.08, 190,686,073.41 and 54,287,633.31

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Solution

The fourth proportional to 127,070,305.08, 190,686,073.41 and 54,287,633.31 is: 81,465,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,070,305.08 : 190,686,073.41 = 54,287,633.31 : x
  2. Step 2: Convert to fraction form
    127,070,305.08/190,686,073.41 = 54,287,633.31/x
  3. Step 3: Cross multiply
    127,070,305.08x = 190,686,073.41 × 54,287,633.31
  4. Step 4: Simplify right side
    127,070,305.08x = 10,351,895,630,605,822
  5. Step 5: Solve for x
    x = 10,351,895,630,605,822/127,070,305.08
  6. Step 6: Final answer
    x = 81,465,891.06

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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.