Home / 143,607,168,081.45-215,410,752,122.18-54,069,988,401.45

Finding the Fourth Proportional to 143,607,168,081.45, 215,410,752,122.18 and 54,069,988,401.45

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Solution

The fourth proportional to 143,607,168,081.45, 215,410,752,122.18 and 54,069,988,401.45 is: 81,104,982,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607,168,081.45 : 215,410,752,122.18 = 54,069,988,401.45 : x
  2. Step 2: Convert to fraction form
    143,607,168,081.45/215,410,752,122.18 = 54,069,988,401.45/x
  3. Step 3: Cross multiply
    143,607,168,081.45x = 215,410,752,122.18 × 54,069,988,401.45
  4. Step 4: Simplify right side
    143,607,168,081.45x = 11,647,256,868,793,893,257,216
  5. Step 5: Solve for x
    x = 11,647,256,868,793,893,257,216/143,607,168,081.45
  6. Step 6: Final answer
    x = 81,104,982,602.18

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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.