Home / 177,412,939.40-266,119,409.10-109,033,905.80

Finding the Fourth Proportional to 177,412,939.40, 266,119,409.10 and 109,033,905.80

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Solution

The fourth proportional to 177,412,939.40, 266,119,409.10 and 109,033,905.80 is: 163,550,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,939.40 : 266,119,409.10 = 109,033,905.80 : x
  2. Step 2: Convert to fraction form
    177,412,939.40/266,119,409.10 = 109,033,905.80/x
  3. Step 3: Cross multiply
    177,412,939.40x = 266,119,409.10 × 109,033,905.80
  4. Step 4: Simplify right side
    177,412,939.40x = 29,016,038,583,361,060
  5. Step 5: Solve for x
    x = 29,016,038,583,361,060/177,412,939.40
  6. Step 6: Final answer
    x = 163,550,858.70

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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.