Home / 185,112,123,959.35-255,196,502,320.49-124,155,384,220.09

Finding the Fourth Proportional to 185,112,123,959.35, 255,196,502,320.49 and 124,155,384,220.09

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Solution

The fourth proportional to 185,112,123,959.35, 255,196,502,320.49 and 124,155,384,220.09 is: 171,161,235,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,112,123,959.35 : 255,196,502,320.49 = 124,155,384,220.09 : x
  2. Step 2: Convert to fraction form
    185,112,123,959.35/255,196,502,320.49 = 124,155,384,220.09/x
  3. Step 3: Cross multiply
    185,112,123,959.35x = 255,196,502,320.49 × 124,155,384,220.09
  4. Step 4: Simplify right side
    185,112,123,959.35x = 31,684,019,797,223,524,007,936
  5. Step 5: Solve for x
    x = 31,684,019,797,223,524,007,936/185,112,123,959.35
  6. Step 6: Final answer
    x = 171,161,235,253.19

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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.