Home / 66,054,008.30-99,081,012.45-40,225,975.70

Finding the Fourth Proportional to 66,054,008.30, 99,081,012.45 and 40,225,975.70

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Solution

The fourth proportional to 66,054,008.30, 99,081,012.45 and 40,225,975.70 is: 60,338,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054,008.30 : 99,081,012.45 = 40,225,975.70 : x
  2. Step 2: Convert to fraction form
    66,054,008.30/99,081,012.45 = 40,225,975.70/x
  3. Step 3: Cross multiply
    66,054,008.30x = 99,081,012.45 × 40,225,975.70
  4. Step 4: Simplify right side
    66,054,008.30x = 3,985,630,399,145,098
  5. Step 5: Solve for x
    x = 3,985,630,399,145,098/66,054,008.30
  6. Step 6: Final answer
    x = 60,338,963.55

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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.