Home / 57,680,343.36-79,598,867.92-31,574,878.88

Finding the Fourth Proportional to 57,680,343.36, 79,598,867.92 and 31,574,878.88

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Solution

The fourth proportional to 57,680,343.36, 79,598,867.92 and 31,574,878.88 is: 43,573,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680,343.36 : 79,598,867.92 = 31,574,878.88 : x
  2. Step 2: Convert to fraction form
    57,680,343.36/79,598,867.92 = 31,574,878.88/x
  3. Step 3: Cross multiply
    57,680,343.36x = 79,598,867.92 × 31,574,878.88
  4. Step 4: Simplify right side
    57,680,343.36x = 2,513,324,613,559,117.50
  5. Step 5: Solve for x
    x = 2,513,324,613,559,117.50/57,680,343.36
  6. Step 6: Final answer
    x = 43,573,329.62

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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.