Home / 84,866,389.20-117,095,187.60-49,564,174.32

Finding the Fourth Proportional to 84,866,389.20, 117,095,187.60 and 49,564,174.32

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Solution

The fourth proportional to 84,866,389.20, 117,095,187.60 and 49,564,174.32 is: 68,386,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,866,389.20 : 117,095,187.60 = 49,564,174.32 : x
  2. Step 2: Convert to fraction form
    84,866,389.20/117,095,187.60 = 49,564,174.32/x
  3. Step 3: Cross multiply
    84,866,389.20x = 117,095,187.60 × 49,564,174.32
  4. Step 4: Simplify right side
    84,866,389.20x = 5,803,726,290,239,502
  5. Step 5: Solve for x
    x = 5,803,726,290,239,502/84,866,389.20
  6. Step 6: Final answer
    x = 68,386,629.21

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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.