Home / 161,843,500.80-242,765,251.20-160,142,889.60

Finding the Fourth Proportional to 161,843,500.80, 242,765,251.20 and 160,142,889.60

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Solution

The fourth proportional to 161,843,500.80, 242,765,251.20 and 160,142,889.60 is: 240,214,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,843,500.80 : 242,765,251.20 = 160,142,889.60 : x
  2. Step 2: Convert to fraction form
    161,843,500.80/242,765,251.20 = 160,142,889.60/x
  3. Step 3: Cross multiply
    161,843,500.80x = 242,765,251.20 × 160,142,889.60
  4. Step 4: Simplify right side
    161,843,500.80x = 38,877,128,821,637,864
  5. Step 5: Solve for x
    x = 38,877,128,821,637,864/161,843,500.80
  6. Step 6: Final answer
    x = 240,214,334.40

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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.