Home / 76,387,959.65-114,580,805.47-18,880,227.65

Finding the Fourth Proportional to 76,387,959.65, 114,580,805.47 and 18,880,227.65

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Solution

The fourth proportional to 76,387,959.65, 114,580,805.47 and 18,880,227.65 is: 28,320,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,387,959.65 : 114,580,805.47 = 18,880,227.65 : x
  2. Step 2: Convert to fraction form
    76,387,959.65/114,580,805.47 = 18,880,227.65/x
  3. Step 3: Cross multiply
    76,387,959.65x = 114,580,805.47 × 18,880,227.65
  4. Step 4: Simplify right side
    76,387,959.65x = 2,163,311,690,973,860.50
  5. Step 5: Solve for x
    x = 2,163,311,690,973,860.50/76,387,959.65
  6. Step 6: Final answer
    x = 28,320,061.19

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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.