Home / 218,320,666.20-327,480,999.30-89,021,070.90

Finding the Fourth Proportional to 218,320,666.20, 327,480,999.30 and 89,021,070.90

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Solution

The fourth proportional to 218,320,666.20, 327,480,999.30 and 89,021,070.90 is: 133,531,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,320,666.20 : 327,480,999.30 = 89,021,070.90 : x
  2. Step 2: Convert to fraction form
    218,320,666.20/327,480,999.30 = 89,021,070.90/x
  3. Step 3: Cross multiply
    218,320,666.20x = 327,480,999.30 × 89,021,070.90
  4. Step 4: Simplify right side
    218,320,666.20x = 29,152,709,257,088,152
  5. Step 5: Solve for x
    x = 29,152,709,257,088,152/218,320,666.20
  6. Step 6: Final answer
    x = 133,531,606.35

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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.