Home / 146,690,999.80-220,036,499.70-38,985,623.80

Finding the Fourth Proportional to 146,690,999.80, 220,036,499.70 and 38,985,623.80

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Solution

The fourth proportional to 146,690,999.80, 220,036,499.70 and 38,985,623.80 is: 58,478,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690,999.80 : 220,036,499.70 = 38,985,623.80 : x
  2. Step 2: Convert to fraction form
    146,690,999.80/220,036,499.70 = 38,985,623.80/x
  3. Step 3: Cross multiply
    146,690,999.80x = 220,036,499.70 × 38,985,623.80
  4. Step 4: Simplify right side
    146,690,999.80x = 8,578,260,199,573,012
  5. Step 5: Solve for x
    x = 8,578,260,199,573,012/146,690,999.80
  6. Step 6: Final answer
    x = 58,478,435.70

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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.