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Finding the Fourth Proportional to 161,843,505.80, 242,765,258.70 and 160,142,894.60

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Solution

The fourth proportional to 161,843,505.80, 242,765,258.70 and 160,142,894.60 is: 240,214,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,843,505.80 : 242,765,258.70 = 160,142,894.60 : x
  2. Step 2: Convert to fraction form
    161,843,505.80/242,765,258.70 = 160,142,894.60/x
  3. Step 3: Cross multiply
    161,843,505.80x = 242,765,258.70 × 160,142,894.60
  4. Step 4: Simplify right side
    161,843,505.80x = 38,877,131,236,535,832
  5. Step 5: Solve for x
    x = 38,877,131,236,535,832/161,843,505.80
  6. Step 6: Final answer
    x = 240,214,341.90

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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.