Home / 218,482,745.10-327,724,117.65-89,019,780.90

Finding the Fourth Proportional to 218,482,745.10, 327,724,117.65 and 89,019,780.90

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Solution

The fourth proportional to 218,482,745.10, 327,724,117.65 and 89,019,780.90 is: 133,529,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,482,745.10 : 327,724,117.65 = 89,019,780.90 : x
  2. Step 2: Convert to fraction form
    218,482,745.10/327,724,117.65 = 89,019,780.90/x
  3. Step 3: Cross multiply
    218,482,745.10x = 327,724,117.65 × 89,019,780.90
  4. Step 4: Simplify right side
    218,482,745.10x = 29,173,929,148,848,824
  5. Step 5: Solve for x
    x = 29,173,929,148,848,824/218,482,745.10
  6. Step 6: Final answer
    x = 133,529,671.35

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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.