Home / 162,413,405.80-243,620,108.70-126,133,700.20

Finding the Fourth Proportional to 162,413,405.80, 243,620,108.70 and 126,133,700.20

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Solution

The fourth proportional to 162,413,405.80, 243,620,108.70 and 126,133,700.20 is: 189,200,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413,405.80 : 243,620,108.70 = 126,133,700.20 : x
  2. Step 2: Convert to fraction form
    162,413,405.80/243,620,108.70 = 126,133,700.20/x
  3. Step 3: Cross multiply
    162,413,405.80x = 243,620,108.70 × 126,133,700.20
  4. Step 4: Simplify right side
    162,413,405.80x = 30,728,705,753,457,212
  5. Step 5: Solve for x
    x = 30,728,705,753,457,212/162,413,405.80
  6. Step 6: Final answer
    x = 189,200,550.30

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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.