Home / 56,343,820.40-84,578,716.20-43,620,729.20

Finding the Fourth Proportional to 56,343,820.40, 84,578,716.20 and 43,620,729.20

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Solution

The fourth proportional to 56,343,820.40, 84,578,716.20 and 43,620,729.20 is: 65,479,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,343,820.40 : 84,578,716.20 = 43,620,729.20 : x
  2. Step 2: Convert to fraction form
    56,343,820.40/84,578,716.20 = 43,620,729.20/x
  3. Step 3: Cross multiply
    56,343,820.40x = 84,578,716.20 × 43,620,729.20
  4. Step 4: Simplify right side
    56,343,820.40x = 3,689,385,275,443,853.50
  5. Step 5: Solve for x
    x = 3,689,385,275,443,853.50/56,343,820.40
  6. Step 6: Final answer
    x = 65,479,856.52

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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.