Home / 125,894,496.08-188,833,073.88-77,379,837.68

Finding the Fourth Proportional to 125,894,496.08, 188,833,073.88 and 77,379,837.68

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Solution

The fourth proportional to 125,894,496.08, 188,833,073.88 and 77,379,837.68 is: 116,064,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894,496.08 : 188,833,073.88 = 77,379,837.68 : x
  2. Step 2: Convert to fraction form
    125,894,496.08/188,833,073.88 = 77,379,837.68/x
  3. Step 3: Cross multiply
    125,894,496.08x = 188,833,073.88 × 77,379,837.68
  4. Step 4: Simplify right side
    125,894,496.08x = 14,611,872,605,449,848
  5. Step 5: Solve for x
    x = 14,611,872,605,449,848/125,894,496.08
  6. Step 6: Final answer
    x = 116,064,427.44

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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.