Home / 43,267,139.92-64,879,714.68-21,692,472.40

Finding the Fourth Proportional to 43,267,139.92, 64,879,714.68 and 21,692,472.40

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Solution

The fourth proportional to 43,267,139.92, 64,879,714.68 and 21,692,472.40 is: 32,528,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267,139.92 : 64,879,714.68 = 21,692,472.40 : x
  2. Step 2: Convert to fraction form
    43,267,139.92/64,879,714.68 = 21,692,472.40/x
  3. Step 3: Cross multiply
    43,267,139.92x = 64,879,714.68 × 21,692,472.40
  4. Step 4: Simplify right side
    43,267,139.92x = 1,407,401,420,015,774.75
  5. Step 5: Solve for x
    x = 1,407,401,420,015,774.75/43,267,139.92
  6. Step 6: Final answer
    x = 32,528,182.42

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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.