Home / 147,187,584,015.40-220,781,376,023.10-105,393,363,164.20

Finding the Fourth Proportional to 147,187,584,015.40, 220,781,376,023.10 and 105,393,363,164.20

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Solution

The fourth proportional to 147,187,584,015.40, 220,781,376,023.10 and 105,393,363,164.20 is: 158,090,044,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,187,584,015.40 : 220,781,376,023.10 = 105,393,363,164.20 : x
  2. Step 2: Convert to fraction form
    147,187,584,015.40/220,781,376,023.10 = 105,393,363,164.20/x
  3. Step 3: Cross multiply
    147,187,584,015.40x = 220,781,376,023.10 × 105,393,363,164.20
  4. Step 4: Simplify right side
    147,187,584,015.40x = 23,268,891,743,094,375,972,864
  5. Step 5: Solve for x
    x = 23,268,891,743,094,375,972,864/147,187,584,015.40
  6. Step 6: Final answer
    x = 158,090,044,746.30

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1.5x scale

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.