Home / 98,208,696.78-135,525,035.79-54,155,673.90

Finding the Fourth Proportional to 98,208,696.78, 135,525,035.79 and 54,155,673.90

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Solution

The fourth proportional to 98,208,696.78, 135,525,035.79 and 54,155,673.90 is: 74,733,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,208,696.78 : 135,525,035.79 = 54,155,673.90 : x
  2. Step 2: Convert to fraction form
    98,208,696.78/135,525,035.79 = 54,155,673.90/x
  3. Step 3: Cross multiply
    98,208,696.78x = 135,525,035.79 × 54,155,673.90
  4. Step 4: Simplify right side
    98,208,696.78x = 7,339,449,643,529,068
  5. Step 5: Solve for x
    x = 7,339,449,643,529,068/98,208,696.78
  6. Step 6: Final answer
    x = 74,733,194.56

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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.