Home / 128,974,094.24-177,976,187.89-71,027,342.24

Finding the Fourth Proportional to 128,974,094.24, 177,976,187.89 and 71,027,342.24

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Solution

The fourth proportional to 128,974,094.24, 177,976,187.89 and 71,027,342.24 is: 98,013,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,974,094.24 : 177,976,187.89 = 71,027,342.24 : x
  2. Step 2: Convert to fraction form
    128,974,094.24/177,976,187.89 = 71,027,342.24/x
  3. Step 3: Cross multiply
    128,974,094.24x = 177,976,187.89 × 71,027,342.24
  4. Step 4: Simplify right side
    128,974,094.24x = 12,641,175,606,766,124
  5. Step 5: Solve for x
    x = 12,641,175,606,766,124/128,974,094.24
  6. Step 6: Final answer
    x = 98,013,292.37

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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.