Home / 136,526,740.62-188,406,918.03-74,647,121.10

Finding the Fourth Proportional to 136,526,740.62, 188,406,918.03 and 74,647,121.10

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Solution

The fourth proportional to 136,526,740.62, 188,406,918.03 and 74,647,121.10 is: 103,013,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,526,740.62 : 188,406,918.03 = 74,647,121.10 : x
  2. Step 2: Convert to fraction form
    136,526,740.62/188,406,918.03 = 74,647,121.10/x
  3. Step 3: Cross multiply
    136,526,740.62x = 188,406,918.03 × 74,647,121.10
  4. Step 4: Simplify right side
    136,526,740.62x = 14,064,034,026,263,182
  5. Step 5: Solve for x
    x = 14,064,034,026,263,182/136,526,740.62
  6. Step 6: Final answer
    x = 103,013,035.85

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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.