Home / 136,885,713-188,902,283.04-75,004,722.96

Finding the Fourth Proportional to 136,885,713, 188,902,283.04 and 75,004,722.96

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Solution

The fourth proportional to 136,885,713, 188,902,283.04 and 75,004,722.96 is: 103,506,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,885,713 : 188,902,283.04 = 75,004,722.96 : x
  2. Step 2: Convert to fraction form
    136,885,713/188,902,283.04 = 75,004,722.96/x
  3. Step 3: Cross multiply
    136,885,713x = 188,902,283.04 × 75,004,722.96
  4. Step 4: Simplify right side
    136,885,713x = 14,168,563,405,926,704
  5. Step 5: Solve for x
    x = 14,168,563,405,926,704/136,885,713
  6. Step 6: Final answer
    x = 103,506,517.19

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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.