Home / 66,865,501.20-100,298,251.80-56,103,820.95

Finding the Fourth Proportional to 66,865,501.20, 100,298,251.80 and 56,103,820.95

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Solution

The fourth proportional to 66,865,501.20, 100,298,251.80 and 56,103,820.95 is: 84,155,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865,501.20 : 100,298,251.80 = 56,103,820.95 : x
  2. Step 2: Convert to fraction form
    66,865,501.20/100,298,251.80 = 56,103,820.95/x
  3. Step 3: Cross multiply
    66,865,501.20x = 100,298,251.80 × 56,103,820.95
  4. Step 4: Simplify right side
    66,865,501.20x = 5,627,115,160,585,215
  5. Step 5: Solve for x
    x = 5,627,115,160,585,215/66,865,501.20
  6. Step 6: Final answer
    x = 84,155,731.43

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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.