Home / 136,362,432.32-188,179,943.20-74,482,770.24

Finding the Fourth Proportional to 136,362,432.32, 188,179,943.20 and 74,482,770.24

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Solution

The fourth proportional to 136,362,432.32, 188,179,943.20 and 74,482,770.24 is: 102,786,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,362,432.32 : 188,179,943.20 = 74,482,770.24 : x
  2. Step 2: Convert to fraction form
    136,362,432.32/188,179,943.20 = 74,482,770.24/x
  3. Step 3: Cross multiply
    136,362,432.32x = 188,179,943.20 × 74,482,770.24
  4. Step 4: Simplify right side
    136,362,432.32x = 14,016,163,473,141,848
  5. Step 5: Solve for x
    x = 14,016,163,473,141,848/136,362,432.32
  6. Step 6: Final answer
    x = 102,786,106.37

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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.