Home / 112,566,428.16-155,328,617.97-63,009,576.78

Finding the Fourth Proportional to 112,566,428.16, 155,328,617.97 and 63,009,576.78

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Solution

The fourth proportional to 112,566,428.16, 155,328,617.97 and 63,009,576.78 is: 86,945,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,566,428.16 : 155,328,617.97 = 63,009,576.78 : x
  2. Step 2: Convert to fraction form
    112,566,428.16/155,328,617.97 = 63,009,576.78/x
  3. Step 3: Cross multiply
    112,566,428.16x = 155,328,617.97 × 63,009,576.78
  4. Step 4: Simplify right side
    112,566,428.16x = 9,787,190,480,112,002
  5. Step 5: Solve for x
    x = 9,787,190,480,112,002/112,566,428.16
  6. Step 6: Final answer
    x = 86,945,909.54

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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.