Home / 56,489,443.60-84,734,165.40-43,719,113.20

Finding the Fourth Proportional to 56,489,443.60, 84,734,165.40 and 43,719,113.20

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Solution

The fourth proportional to 56,489,443.60, 84,734,165.40 and 43,719,113.20 is: 65,578,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489,443.60 : 84,734,165.40 = 43,719,113.20 : x
  2. Step 2: Convert to fraction form
    56,489,443.60/84,734,165.40 = 43,719,113.20/x
  3. Step 3: Cross multiply
    56,489,443.60x = 84,734,165.40 × 43,719,113.20
  4. Step 4: Simplify right side
    56,489,443.60x = 3,704,502,569,030,124
  5. Step 5: Solve for x
    x = 3,704,502,569,030,124/56,489,443.60
  6. Step 6: Final answer
    x = 65,578,669.80

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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.