Home / 80,560,402,855.82-120,840,604,401.85-32,742,208,948.37

Finding the Fourth Proportional to 80,560,402,855.82, 120,840,604,401.85 and 32,742,208,948.37

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Solution

The fourth proportional to 80,560,402,855.82, 120,840,604,401.85 and 32,742,208,948.37 is: 49,113,313,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,560,402,855.82 : 120,840,604,401.85 = 32,742,208,948.37 : x
  2. Step 2: Convert to fraction form
    80,560,402,855.82/120,840,604,401.85 = 32,742,208,948.37/x
  3. Step 3: Cross multiply
    80,560,402,855.82x = 120,840,604,401.85 × 32,742,208,948.37
  4. Step 4: Simplify right side
    80,560,402,855.82x = 3,956,588,318,773,055,324,160
  5. Step 5: Solve for x
    x = 3,956,588,318,773,055,324,160/80,560,402,855.82
  6. Step 6: Final answer
    x = 49,113,313,470.57

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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.