Home / 56,709,987.80-84,876,024.90-52,175,024.60

Finding the Fourth Proportional to 56,709,987.80, 84,876,024.90 and 52,175,024.60

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Solution

The fourth proportional to 56,709,987.80, 84,876,024.90 and 52,175,024.60 is: 78,088,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,709,987.80 : 84,876,024.90 = 52,175,024.60 : x
  2. Step 2: Convert to fraction form
    56,709,987.80/84,876,024.90 = 52,175,024.60/x
  3. Step 3: Cross multiply
    56,709,987.80x = 84,876,024.90 × 52,175,024.60
  4. Step 4: Simplify right side
    56,709,987.80x = 4,428,408,687,107,713
  5. Step 5: Solve for x
    x = 4,428,408,687,107,713/56,709,987.80
  6. Step 6: Final answer
    x = 78,088,690.53

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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.