Home / 102,957,275.24-142,080,554.62-55,914,019.50

Finding the Fourth Proportional to 102,957,275.24, 142,080,554.62 and 55,914,019.50

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Solution

The fourth proportional to 102,957,275.24, 142,080,554.62 and 55,914,019.50 is: 77,161,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,957,275.24 : 142,080,554.62 = 55,914,019.50 : x
  2. Step 2: Convert to fraction form
    102,957,275.24/142,080,554.62 = 55,914,019.50/x
  3. Step 3: Cross multiply
    102,957,275.24x = 142,080,554.62 × 55,914,019.50
  4. Step 4: Simplify right side
    102,957,275.24x = 7,944,294,902,196,189
  5. Step 5: Solve for x
    x = 7,944,294,902,196,189/102,957,275.24
  6. Step 6: Final answer
    x = 77,161,083.41

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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.