Home / 56,489,439.60-84,734,159.40-43,719,109.20

Finding the Fourth Proportional to 56,489,439.60, 84,734,159.40 and 43,719,109.20

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Solution

The fourth proportional to 56,489,439.60, 84,734,159.40 and 43,719,109.20 is: 65,578,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489,439.60 : 84,734,159.40 = 43,719,109.20 : x
  2. Step 2: Convert to fraction form
    56,489,439.60/84,734,159.40 = 43,719,109.20/x
  3. Step 3: Cross multiply
    56,489,439.60x = 84,734,159.40 × 43,719,109.20
  4. Step 4: Simplify right side
    56,489,439.60x = 3,704,501,967,778,807
  5. Step 5: Solve for x
    x = 3,704,501,967,778,807/56,489,439.60
  6. Step 6: Final answer
    x = 65,578,663.80

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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.