Home / 52,211,568.78-78,317,367.66-19,417,852.92

Finding the Fourth Proportional to 52,211,568.78, 78,317,367.66 and 19,417,852.92

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Solution

The fourth proportional to 52,211,568.78, 78,317,367.66 and 19,417,852.92 is: 29,126,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211,568.78 : 78,317,367.66 = 19,417,852.92 : x
  2. Step 2: Convert to fraction form
    52,211,568.78/78,317,367.66 = 19,417,852.92/x
  3. Step 3: Cross multiply
    52,211,568.78x = 78,317,367.66 × 19,417,852.92
  4. Step 4: Simplify right side
    52,211,568.78x = 1,520,755,126,303,444.75
  5. Step 5: Solve for x
    x = 1,520,755,126,303,444.75/52,211,568.78
  6. Step 6: Final answer
    x = 29,126,784.77

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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.