Home / 57,270,360.78-79,033,110.78-31,516,248.78

Finding the Fourth Proportional to 57,270,360.78, 79,033,110.78 and 31,516,248.78

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Solution

The fourth proportional to 57,270,360.78, 79,033,110.78 and 31,516,248.78 is: 43,492,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270,360.78 : 79,033,110.78 = 31,516,248.78 : x
  2. Step 2: Convert to fraction form
    57,270,360.78/79,033,110.78 = 31,516,248.78/x
  3. Step 3: Cross multiply
    57,270,360.78x = 79,033,110.78 × 31,516,248.78
  4. Step 4: Simplify right side
    57,270,360.78x = 2,490,827,181,199,780
  5. Step 5: Solve for x
    x = 2,490,827,181,199,780/57,270,360.78
  6. Step 6: Final answer
    x = 43,492,430.42

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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.