Home / 54,234,369.18-74,848,045.34-30,717,089.46

Finding the Fourth Proportional to 54,234,369.18, 74,848,045.34 and 30,717,089.46

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Solution

The fourth proportional to 54,234,369.18, 74,848,045.34 and 30,717,089.46 is: 42,392,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234,369.18 : 74,848,045.34 = 30,717,089.46 : x
  2. Step 2: Convert to fraction form
    54,234,369.18/74,848,045.34 = 30,717,089.46/x
  3. Step 3: Cross multiply
    54,234,369.18x = 74,848,045.34 × 30,717,089.46
  4. Step 4: Simplify right side
    54,234,369.18x = 2,299,114,104,691,709
  5. Step 5: Solve for x
    x = 2,299,114,104,691,709/54,234,369.18
  6. Step 6: Final answer
    x = 42,392,197.78

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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.