Home / 181,390,213.98-272,040,480.06-77,747,666.34

Finding the Fourth Proportional to 181,390,213.98, 272,040,480.06 and 77,747,666.34

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Solution

The fourth proportional to 181,390,213.98, 272,040,480.06 and 77,747,666.34 is: 116,602,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,390,213.98 : 272,040,480.06 = 77,747,666.34 : x
  2. Step 2: Convert to fraction form
    181,390,213.98/272,040,480.06 = 77,747,666.34/x
  3. Step 3: Cross multiply
    181,390,213.98x = 272,040,480.06 × 77,747,666.34
  4. Step 4: Simplify right side
    181,390,213.98x = 21,150,512,474,678,304
  5. Step 5: Solve for x
    x = 21,150,512,474,678,304/181,390,213.98
  6. Step 6: Final answer
    x = 116,602,279.75

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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.