Home / 128,974,097.24-177,976,192.02-71,027,345.24

Finding the Fourth Proportional to 128,974,097.24, 177,976,192.02 and 71,027,345.24

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Solution

The fourth proportional to 128,974,097.24, 177,976,192.02 and 71,027,345.24 is: 98,013,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,974,097.24 : 177,976,192.02 = 71,027,345.24 : x
  2. Step 2: Convert to fraction form
    128,974,097.24/177,976,192.02 = 71,027,345.24/x
  3. Step 3: Cross multiply
    128,974,097.24x = 177,976,192.02 × 71,027,345.24
  4. Step 4: Simplify right side
    128,974,097.24x = 12,641,176,434,215,192
  5. Step 5: Solve for x
    x = 12,641,176,434,215,192/128,974,097.24
  6. Step 6: Final answer
    x = 98,013,296.51

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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.