Home / 215,046,144,003.60-322,569,216,005.40-140,745,306,934.80

Finding the Fourth Proportional to 215,046,144,003.60, 322,569,216,005.40 and 140,745,306,934.80

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Solution

The fourth proportional to 215,046,144,003.60, 322,569,216,005.40 and 140,745,306,934.80 is: 211,117,960,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,046,144,003.60 : 322,569,216,005.40 = 140,745,306,934.80 : x
  2. Step 2: Convert to fraction form
    215,046,144,003.60/322,569,216,005.40 = 140,745,306,934.80/x
  3. Step 3: Cross multiply
    215,046,144,003.60x = 322,569,216,005.40 × 140,745,306,934.80
  4. Step 4: Simplify right side
    215,046,144,003.60x = 45,400,103,314,397,826,383,872
  5. Step 5: Solve for x
    x = 45,400,103,314,397,826,383,872/215,046,144,003.60
  6. Step 6: Final answer
    x = 211,117,960,402.20

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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.