Home / 136,606,902.22-188,519,020.81-74,727,241.39

Finding the Fourth Proportional to 136,606,902.22, 188,519,020.81 and 74,727,241.39

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Solution

The fourth proportional to 136,606,902.22, 188,519,020.81 and 74,727,241.39 is: 103,124,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,606,902.22 : 188,519,020.81 = 74,727,241.39 : x
  2. Step 2: Convert to fraction form
    136,606,902.22/188,519,020.81 = 74,727,241.39/x
  3. Step 3: Cross multiply
    136,606,902.22x = 188,519,020.81 × 74,727,241.39
  4. Step 4: Simplify right side
    136,606,902.22x = 14,087,506,374,017,188
  5. Step 5: Solve for x
    x = 14,087,506,374,017,188/136,606,902.22
  6. Step 6: Final answer
    x = 103,124,411.32

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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.