Home / 57,312,581.43-79,091,025.44-31,207,036.80

Finding the Fourth Proportional to 57,312,581.43, 79,091,025.44 and 31,207,036.80

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Solution

The fourth proportional to 57,312,581.43, 79,091,025.44 and 31,207,036.80 is: 43,065,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,581.43 : 79,091,025.44 = 31,207,036.80 : x
  2. Step 2: Convert to fraction form
    57,312,581.43/79,091,025.44 = 31,207,036.80/x
  3. Step 3: Cross multiply
    57,312,581.43x = 79,091,025.44 × 31,207,036.80
  4. Step 4: Simplify right side
    57,312,581.43x = 2,468,196,541,299,781
  5. Step 5: Solve for x
    x = 2,468,196,541,299,781/57,312,581.43
  6. Step 6: Final answer
    x = 43,065,527.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.