Home / 81,593,677.20-122,390,515.80-24,085,856.10

Finding the Fourth Proportional to 81,593,677.20, 122,390,515.80 and 24,085,856.10

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Solution

The fourth proportional to 81,593,677.20, 122,390,515.80 and 24,085,856.10 is: 36,128,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,593,677.20 : 122,390,515.80 = 24,085,856.10 : x
  2. Step 2: Convert to fraction form
    81,593,677.20/122,390,515.80 = 24,085,856.10/x
  3. Step 3: Cross multiply
    81,593,677.20x = 122,390,515.80 × 24,085,856.10
  4. Step 4: Simplify right side
    81,593,677.20x = 2,947,880,351,563,576.50
  5. Step 5: Solve for x
    x = 2,947,880,351,563,576.50/81,593,677.20
  6. Step 6: Final answer
    x = 36,128,784.15

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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.