Home / 118,206,886.95-177,310,330.43-72,857,254.95

Finding the Fourth Proportional to 118,206,886.95, 177,310,330.43 and 72,857,254.95

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Solution

The fourth proportional to 118,206,886.95, 177,310,330.43 and 72,857,254.95 is: 109,285,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,886.95 : 177,310,330.43 = 72,857,254.95 : x
  2. Step 2: Convert to fraction form
    118,206,886.95/177,310,330.43 = 72,857,254.95/x
  3. Step 3: Cross multiply
    118,206,886.95x = 177,310,330.43 × 72,857,254.95
  4. Step 4: Simplify right side
    118,206,886.95x = 12,918,343,949,042,968
  5. Step 5: Solve for x
    x = 12,918,343,949,042,968/118,206,886.95
  6. Step 6: Final answer
    x = 109,285,882.43

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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.