Home / 306,807,581.04-423,391,939.56-167,578,437.12

Finding the Fourth Proportional to 306,807,581.04, 423,391,939.56 and 167,578,437.12

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Solution

The fourth proportional to 306,807,581.04, 423,391,939.56 and 167,578,437.12 is: 231,256,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,807,581.04 : 423,391,939.56 = 167,578,437.12 : x
  2. Step 2: Convert to fraction form
    306,807,581.04/423,391,939.56 = 167,578,437.12/x
  3. Step 3: Cross multiply
    306,807,581.04x = 423,391,939.56 × 167,578,437.12
  4. Step 4: Simplify right side
    306,807,581.04x = 70,951,359,520,670,304
  5. Step 5: Solve for x
    x = 70,951,359,520,670,304/306,807,581.04
  6. Step 6: Final answer
    x = 231,256,865.56

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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.