Home / 119,490,641.29-179,267,859.33-42,821,419.69

Finding the Fourth Proportional to 119,490,641.29, 179,267,859.33 and 42,821,419.69

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Solution

The fourth proportional to 119,490,641.29, 179,267,859.33 and 42,821,419.69 is: 64,243,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,490,641.29 : 179,267,859.33 = 42,821,419.69 : x
  2. Step 2: Convert to fraction form
    119,490,641.29/179,267,859.33 = 42,821,419.69/x
  3. Step 3: Cross multiply
    119,490,641.29x = 179,267,859.33 × 42,821,419.69
  4. Step 4: Simplify right side
    119,490,641.29x = 7,676,504,241,297,812
  5. Step 5: Solve for x
    x = 7,676,504,241,297,812/119,490,641.29
  6. Step 6: Final answer
    x = 64,243,560.49

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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.