Home / 117,476,340.87-162,107,859.72-67,919,908.16

Finding the Fourth Proportional to 117,476,340.87, 162,107,859.72 and 67,919,908.16

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Solution

The fourth proportional to 117,476,340.87, 162,107,859.72 and 67,919,908.16 is: 93,723,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476,340.87 : 162,107,859.72 = 67,919,908.16 : x
  2. Step 2: Convert to fraction form
    117,476,340.87/162,107,859.72 = 67,919,908.16/x
  3. Step 3: Cross multiply
    117,476,340.87x = 162,107,859.72 × 67,919,908.16
  4. Step 4: Simplify right side
    117,476,340.87x = 11,010,350,943,386,024
  5. Step 5: Solve for x
    x = 11,010,350,943,386,024/117,476,340.87
  6. Step 6: Final answer
    x = 93,723,986.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.