Home / 161,418,118,822.20-242,127,178,233.30-86,103,575,760.60

Finding the Fourth Proportional to 161,418,118,822.20, 242,127,178,233.30 and 86,103,575,760.60

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Solution

The fourth proportional to 161,418,118,822.20, 242,127,178,233.30 and 86,103,575,760.60 is: 129,155,363,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,418,118,822.20 : 242,127,178,233.30 = 86,103,575,760.60 : x
  2. Step 2: Convert to fraction form
    161,418,118,822.20/242,127,178,233.30 = 86,103,575,760.60/x
  3. Step 3: Cross multiply
    161,418,118,822.20x = 242,127,178,233.30 × 86,103,575,760.60
  4. Step 4: Simplify right side
    161,418,118,822.20x = 20,848,015,834,711,247,028,224
  5. Step 5: Solve for x
    x = 20,848,015,834,711,247,028,224/161,418,118,822.20
  6. Step 6: Final answer
    x = 129,155,363,640.90

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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.