Home / 121,566,954.87-182,423,057.24-111,676,487.94

Finding the Fourth Proportional to 121,566,954.87, 182,423,057.24 and 111,676,487.94

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Solution

The fourth proportional to 121,566,954.87, 182,423,057.24 and 111,676,487.94 is: 167,581,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,566,954.87 : 182,423,057.24 = 111,676,487.94 : x
  2. Step 2: Convert to fraction form
    121,566,954.87/182,423,057.24 = 111,676,487.94/x
  3. Step 3: Cross multiply
    121,566,954.87x = 182,423,057.24 × 111,676,487.94
  4. Step 4: Simplify right side
    121,566,954.87x = 20,372,366,352,119,980
  5. Step 5: Solve for x
    x = 20,372,366,352,119,980/121,566,954.87
  6. Step 6: Final answer
    x = 167,581,448.21

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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.