Home / 136,915,696.08-188,884,280.16-90,570,629.16

Finding the Fourth Proportional to 136,915,696.08, 188,884,280.16 and 90,570,629.16

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Solution

The fourth proportional to 136,915,696.08, 188,884,280.16 and 90,570,629.16 is: 124,948,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,915,696.08 : 188,884,280.16 = 90,570,629.16 : x
  2. Step 2: Convert to fraction form
    136,915,696.08/188,884,280.16 = 90,570,629.16/x
  3. Step 3: Cross multiply
    136,915,696.08x = 188,884,280.16 × 90,570,629.16
  4. Step 4: Simplify right side
    136,915,696.08x = 17,107,368,092,524,904
  5. Step 5: Solve for x
    x = 17,107,368,092,524,904/136,915,696.08
  6. Step 6: Final answer
    x = 124,948,187.70

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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.