Home / 57,378,731.47-79,184,308.95-31,274,940.04

Finding the Fourth Proportional to 57,378,731.47, 79,184,308.95 and 31,274,940.04

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Solution

The fourth proportional to 57,378,731.47, 79,184,308.95 and 31,274,940.04 is: 43,160,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378,731.47 : 79,184,308.95 = 31,274,940.04 : x
  2. Step 2: Convert to fraction form
    57,378,731.47/79,184,308.95 = 31,274,940.04/x
  3. Step 3: Cross multiply
    57,378,731.47x = 79,184,308.95 × 31,274,940.04
  4. Step 4: Simplify right side
    57,378,731.47x = 2,476,484,514,520,085.50
  5. Step 5: Solve for x
    x = 2,476,484,514,520,085.50/57,378,731.47
  6. Step 6: Final answer
    x = 43,160,321.80

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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.