Home / 162,320,789,429.10-243,481,184,143.65-137,215,941,741.90

Finding the Fourth Proportional to 162,320,789,429.10, 243,481,184,143.65 and 137,215,941,741.90

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Solution

The fourth proportional to 162,320,789,429.10, 243,481,184,143.65 and 137,215,941,741.90 is: 205,823,912,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,320,789,429.10 : 243,481,184,143.65 = 137,215,941,741.90 : x
  2. Step 2: Convert to fraction form
    162,320,789,429.10/243,481,184,143.65 = 137,215,941,741.90/x
  3. Step 3: Cross multiply
    162,320,789,429.10x = 243,481,184,143.65 × 137,215,941,741.90
  4. Step 4: Simplify right side
    162,320,789,429.10x = 33,409,499,978,703,902,343,168
  5. Step 5: Solve for x
    x = 33,409,499,978,703,902,343,168/162,320,789,429.10
  6. Step 6: Final answer
    x = 205,823,912,612.85

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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.