Home / 177,696,039.40-266,418,087.90-80,698,215.40

Finding the Fourth Proportional to 177,696,039.40, 266,418,087.90 and 80,698,215.40

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Solution

The fourth proportional to 177,696,039.40, 266,418,087.90 and 80,698,215.40 is: 120,990,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,696,039.40 : 266,418,087.90 = 80,698,215.40 : x
  2. Step 2: Convert to fraction form
    177,696,039.40/266,418,087.90 = 80,698,215.40/x
  3. Step 3: Cross multiply
    177,696,039.40x = 266,418,087.90 × 80,698,215.40
  4. Step 4: Simplify right side
    177,696,039.40x = 21,499,464,243,810,336
  5. Step 5: Solve for x
    x = 21,499,464,243,810,336/177,696,039.40
  6. Step 6: Final answer
    x = 120,990,115.01

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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.