Home / 57,270,362.28-79,033,112.85-31,516,250.28

Finding the Fourth Proportional to 57,270,362.28, 79,033,112.85 and 31,516,250.28

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Solution

The fourth proportional to 57,270,362.28, 79,033,112.85 and 31,516,250.28 is: 43,492,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270,362.28 : 79,033,112.85 = 31,516,250.28 : x
  2. Step 2: Convert to fraction form
    57,270,362.28/79,033,112.85 = 31,516,250.28/x
  3. Step 3: Cross multiply
    57,270,362.28x = 79,033,112.85 × 31,516,250.28
  4. Step 4: Simplify right side
    57,270,362.28x = 2,490,827,364,988,084
  5. Step 5: Solve for x
    x = 2,490,827,364,988,084/57,270,362.28
  6. Step 6: Final answer
    x = 43,492,432.49

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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.