Home / 136,207,111.36-187,969,783.26-74,331,435.46

Finding the Fourth Proportional to 136,207,111.36, 187,969,783.26 and 74,331,435.46

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Solution

The fourth proportional to 136,207,111.36, 187,969,783.26 and 74,331,435.46 is: 102,579,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207,111.36 : 187,969,783.26 = 74,331,435.46 : x
  2. Step 2: Convert to fraction form
    136,207,111.36/187,969,783.26 = 74,331,435.46/x
  3. Step 3: Cross multiply
    136,207,111.36x = 187,969,783.26 × 74,331,435.46
  4. Step 4: Simplify right side
    136,207,111.36x = 13,972,063,812,820,876
  5. Step 5: Solve for x
    x = 13,972,063,812,820,876/136,207,111.36
  6. Step 6: Final answer
    x = 102,579,547.23

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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.