Home / 52,422,040.80-78,633,061.20-47,320,207.20

Finding the Fourth Proportional to 52,422,040.80, 78,633,061.20 and 47,320,207.20

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Solution

The fourth proportional to 52,422,040.80, 78,633,061.20 and 47,320,207.20 is: 70,980,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422,040.80 : 78,633,061.20 = 47,320,207.20 : x
  2. Step 2: Convert to fraction form
    52,422,040.80/78,633,061.20 = 47,320,207.20/x
  3. Step 3: Cross multiply
    52,422,040.80x = 78,633,061.20 × 47,320,207.20
  4. Step 4: Simplify right side
    52,422,040.80x = 3,720,932,748,754,281
  5. Step 5: Solve for x
    x = 3,720,932,748,754,281/52,422,040.80
  6. Step 6: Final answer
    x = 70,980,310.80

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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.