Home / 136,905,794.16-188,930,653.72-74,181,875.54

Finding the Fourth Proportional to 136,905,794.16, 188,930,653.72 and 74,181,875.54

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Solution

The fourth proportional to 136,905,794.16, 188,930,653.72 and 74,181,875.54 is: 102,371,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,905,794.16 : 188,930,653.72 = 74,181,875.54 : x
  2. Step 2: Convert to fraction form
    136,905,794.16/188,930,653.72 = 74,181,875.54/x
  3. Step 3: Cross multiply
    136,905,794.16x = 188,930,653.72 × 74,181,875.54
  4. Step 4: Simplify right side
    136,905,794.16x = 14,015,230,239,947,880
  5. Step 5: Solve for x
    x = 14,015,230,239,947,880/136,905,794.16
  6. Step 6: Final answer
    x = 102,371,344.66

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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.