Home / 57,370,105.47-79,168,734.66-31,264,090.59

Finding the Fourth Proportional to 57,370,105.47, 79,168,734.66 and 31,264,090.59

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Solution

The fourth proportional to 57,370,105.47, 79,168,734.66 and 31,264,090.59 is: 43,143,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370,105.47 : 79,168,734.66 = 31,264,090.59 : x
  2. Step 2: Convert to fraction form
    57,370,105.47/79,168,734.66 = 31,264,090.59/x
  3. Step 3: Cross multiply
    57,370,105.47x = 79,168,734.66 × 31,264,090.59
  4. Step 4: Simplify right side
    57,370,105.47x = 2,475,138,492,305,912.50
  5. Step 5: Solve for x
    x = 2,475,138,492,305,912.50/57,370,105.47
  6. Step 6: Final answer
    x = 43,143,349.17

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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.