Home / 102,382,016.40-141,287,682.12-55,972,272.60

Finding the Fourth Proportional to 102,382,016.40, 141,287,682.12 and 55,972,272.60

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Solution

The fourth proportional to 102,382,016.40, 141,287,682.12 and 55,972,272.60 is: 77,242,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,382,016.40 : 141,287,682.12 = 55,972,272.60 : x
  2. Step 2: Convert to fraction form
    102,382,016.40/141,287,682.12 = 55,972,272.60/x
  3. Step 3: Cross multiply
    102,382,016.40x = 141,287,682.12 × 55,972,272.60
  4. Step 4: Simplify right side
    102,382,016.40x = 7,908,192,658,642,786
  5. Step 5: Solve for x
    x = 7,908,192,658,642,786/102,382,016.40
  6. Step 6: Final answer
    x = 77,242,009.26

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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.