Home / 336,986,643.65-505,479,965.48-81,685,011.65

Finding the Fourth Proportional to 336,986,643.65, 505,479,965.48 and 81,685,011.65

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Solution

The fourth proportional to 336,986,643.65, 505,479,965.48 and 81,685,011.65 is: 122,527,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,986,643.65 : 505,479,965.48 = 81,685,011.65 : x
  2. Step 2: Convert to fraction form
    336,986,643.65/505,479,965.48 = 81,685,011.65/x
  3. Step 3: Cross multiply
    336,986,643.65x = 505,479,965.48 × 81,685,011.65
  4. Step 4: Simplify right side
    336,986,643.65x = 41,290,136,868,666,976
  5. Step 5: Solve for x
    x = 41,290,136,868,666,976/336,986,643.65
  6. Step 6: Final answer
    x = 122,527,517.48

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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.