Home / 136,002,058.16-187,678,038.84-74,121,168.56

Finding the Fourth Proportional to 136,002,058.16, 187,678,038.84 and 74,121,168.56

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Solution

The fourth proportional to 136,002,058.16, 187,678,038.84 and 74,121,168.56 is: 102,284,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002,058.16 : 187,678,038.84 = 74,121,168.56 : x
  2. Step 2: Convert to fraction form
    136,002,058.16/187,678,038.84 = 74,121,168.56/x
  3. Step 3: Cross multiply
    136,002,058.16x = 187,678,038.84 × 74,121,168.56
  4. Step 4: Simplify right side
    136,002,058.16x = 13,910,915,551,869,868
  5. Step 5: Solve for x
    x = 13,910,915,551,869,868/136,002,058.16
  6. Step 6: Final answer
    x = 102,284,595.84

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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.