Home / 127,104,552.09-175,399,117.07-72,099,227.61

Finding the Fourth Proportional to 127,104,552.09, 175,399,117.07 and 72,099,227.61

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Solution

The fourth proportional to 127,104,552.09, 175,399,117.07 and 72,099,227.61 is: 99,494,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,552.09 : 175,399,117.07 = 72,099,227.61 : x
  2. Step 2: Convert to fraction form
    127,104,552.09/175,399,117.07 = 72,099,227.61/x
  3. Step 3: Cross multiply
    127,104,552.09x = 175,399,117.07 × 72,099,227.61
  4. Step 4: Simplify right side
    127,104,552.09x = 12,646,140,863,862,470
  5. Step 5: Solve for x
    x = 12,646,140,863,862,470/127,104,552.09
  6. Step 6: Final answer
    x = 99,494,004.39

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1.5x scale

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.