Home / 266,119,990.60-399,179,985.90-194,456,374.60

Finding the Fourth Proportional to 266,119,990.60, 399,179,985.90 and 194,456,374.60

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Solution

The fourth proportional to 266,119,990.60, 399,179,985.90 and 194,456,374.60 is: 291,684,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,119,990.60 : 399,179,985.90 = 194,456,374.60 : x
  2. Step 2: Convert to fraction form
    266,119,990.60/399,179,985.90 = 194,456,374.60/x
  3. Step 3: Cross multiply
    266,119,990.60x = 399,179,985.90 × 194,456,374.60
  4. Step 4: Simplify right side
    266,119,990.60x = 77,623,092,870,993,104
  5. Step 5: Solve for x
    x = 77,623,092,870,993,104/266,119,990.60
  6. Step 6: Final answer
    x = 291,684,561.90

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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.