Home / 120,617,980.38-181,003,495.40-51,531,304.43

Finding the Fourth Proportional to 120,617,980.38, 181,003,495.40 and 51,531,304.43

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Solution

The fourth proportional to 120,617,980.38, 181,003,495.40 and 51,531,304.43 is: 77,329,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617,980.38 : 181,003,495.40 = 51,531,304.43 : x
  2. Step 2: Convert to fraction form
    120,617,980.38/181,003,495.40 = 51,531,304.43/x
  3. Step 3: Cross multiply
    120,617,980.38x = 181,003,495.40 × 51,531,304.43
  4. Step 4: Simplify right side
    120,617,980.38x = 9,327,346,223,188,830
  5. Step 5: Solve for x
    x = 9,327,346,223,188,830/120,617,980.38
  6. Step 6: Final answer
    x = 77,329,650.14

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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.