Home / 43,156,816.20-64,726,929.90-12,865,667.40

Finding the Fourth Proportional to 43,156,816.20, 64,726,929.90 and 12,865,667.40

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Solution

The fourth proportional to 43,156,816.20, 64,726,929.90 and 12,865,667.40 is: 19,296,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156,816.20 : 64,726,929.90 = 12,865,667.40 : x
  2. Step 2: Convert to fraction form
    43,156,816.20/64,726,929.90 = 12,865,667.40/x
  3. Step 3: Cross multiply
    43,156,816.20x = 64,726,929.90 × 12,865,667.40
  4. Step 4: Simplify right side
    43,156,816.20x = 832,755,151,916,515.25
  5. Step 5: Solve for x
    x = 832,755,151,916,515.25/43,156,816.20
  6. Step 6: Final answer
    x = 19,296,028.42

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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.