Home / 80,560,402,856.92-120,840,604,403.51-32,742,208,949.47

Finding the Fourth Proportional to 80,560,402,856.92, 120,840,604,403.51 and 32,742,208,949.47

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Solution

The fourth proportional to 80,560,402,856.92, 120,840,604,403.51 and 32,742,208,949.47 is: 49,113,313,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,560,402,856.92 : 120,840,604,403.51 = 32,742,208,949.47 : x
  2. Step 2: Convert to fraction form
    80,560,402,856.92/120,840,604,403.51 = 32,742,208,949.47/x
  3. Step 3: Cross multiply
    80,560,402,856.92x = 120,840,604,403.51 × 32,742,208,949.47
  4. Step 4: Simplify right side
    80,560,402,856.92x = 3,956,588,318,959,969,239,040
  5. Step 5: Solve for x
    x = 3,956,588,318,959,969,239,040/80,560,402,856.92
  6. Step 6: Final answer
    x = 49,113,313,472.22

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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.