Home / 44,274,909.80-66,349,935.40-20,906,719.12

Finding the Fourth Proportional to 44,274,909.80, 66,349,935.40 and 20,906,719.12

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Solution

The fourth proportional to 44,274,909.80, 66,349,935.40 and 20,906,719.12 is: 31,330,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,274,909.80 : 66,349,935.40 = 20,906,719.12 : x
  2. Step 2: Convert to fraction form
    44,274,909.80/66,349,935.40 = 20,906,719.12/x
  3. Step 3: Cross multiply
    44,274,909.80x = 66,349,935.40 × 20,906,719.12
  4. Step 4: Simplify right side
    44,274,909.80x = 1,387,159,463,037,945
  5. Step 5: Solve for x
    x = 1,387,159,463,037,945/44,274,909.80
  6. Step 6: Final answer
    x = 31,330,599.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.