Home / 136,822,028.45-188,812,065.73-74,097,618.08

Finding the Fourth Proportional to 136,822,028.45, 188,812,065.73 and 74,097,618.08

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Solution

The fourth proportional to 136,822,028.45, 188,812,065.73 and 74,097,618.08 is: 102,253,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,822,028.45 : 188,812,065.73 = 74,097,618.08 : x
  2. Step 2: Convert to fraction form
    136,822,028.45/188,812,065.73 = 74,097,618.08/x
  3. Step 3: Cross multiply
    136,822,028.45x = 188,812,065.73 × 74,097,618.08
  4. Step 4: Simplify right side
    136,822,028.45x = 13,990,524,335,357,396
  5. Step 5: Solve for x
    x = 13,990,524,335,357,396/136,822,028.45
  6. Step 6: Final answer
    x = 102,253,449.20

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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.