Home / 154,206,619.43-231,326,146.62-45,032,097.02

Finding the Fourth Proportional to 154,206,619.43, 231,326,146.62 and 45,032,097.02

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Solution

The fourth proportional to 154,206,619.43, 231,326,146.62 and 45,032,097.02 is: 67,552,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,206,619.43 : 231,326,146.62 = 45,032,097.02 : x
  2. Step 2: Convert to fraction form
    154,206,619.43/231,326,146.62 = 45,032,097.02/x
  3. Step 3: Cross multiply
    154,206,619.43x = 231,326,146.62 × 45,032,097.02
  4. Step 4: Simplify right side
    154,206,619.43x = 10,417,101,476,697,954
  5. Step 5: Solve for x
    x = 10,417,101,476,697,954/154,206,619.43
  6. Step 6: Final answer
    x = 67,552,881.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.