Home / 162,320,789,426.60-243,481,184,139.90-137,215,941,739.40

Finding the Fourth Proportional to 162,320,789,426.60, 243,481,184,139.90 and 137,215,941,739.40

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Solution

The fourth proportional to 162,320,789,426.60, 243,481,184,139.90 and 137,215,941,739.40 is: 205,823,912,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,320,789,426.60 : 243,481,184,139.90 = 137,215,941,739.40 : x
  2. Step 2: Convert to fraction form
    162,320,789,426.60/243,481,184,139.90 = 137,215,941,739.40/x
  3. Step 3: Cross multiply
    162,320,789,426.60x = 243,481,184,139.90 × 137,215,941,739.40
  4. Step 4: Simplify right side
    162,320,789,426.60x = 33,409,499,977,580,638,371,840
  5. Step 5: Solve for x
    x = 33,409,499,977,580,638,371,840/162,320,789,426.60
  6. Step 6: Final answer
    x = 205,823,912,609.10

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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.