Home / 136,821,123.64-188,810,818-74,096,712.56

Finding the Fourth Proportional to 136,821,123.64, 188,810,818 and 74,096,712.56

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Solution

The fourth proportional to 136,821,123.64, 188,810,818 and 74,096,712.56 is: 102,252,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,821,123.64 : 188,810,818 = 74,096,712.56 : x
  2. Step 2: Convert to fraction form
    136,821,123.64/188,810,818 = 74,096,712.56/x
  3. Step 3: Cross multiply
    136,821,123.64x = 188,810,818 × 74,096,712.56
  4. Step 4: Simplify right side
    136,821,123.64x = 13,990,260,909,564,474
  5. Step 5: Solve for x
    x = 13,990,260,909,564,474/136,821,123.64
  6. Step 6: Final answer
    x = 102,252,200.08

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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.