Home / 100,356,482.41-138,540,605.83-67,304,641.19

Finding the Fourth Proportional to 100,356,482.41, 138,540,605.83 and 67,304,641.19

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Solution

The fourth proportional to 100,356,482.41, 138,540,605.83 and 67,304,641.19 is: 92,913,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,356,482.41 : 138,540,605.83 = 67,304,641.19 : x
  2. Step 2: Convert to fraction form
    100,356,482.41/138,540,605.83 = 67,304,641.19/x
  3. Step 3: Cross multiply
    100,356,482.41x = 138,540,605.83 × 67,304,641.19
  4. Step 4: Simplify right side
    100,356,482.41x = 9,324,425,764,772,406
  5. Step 5: Solve for x
    x = 9,324,425,764,772,406/100,356,482.41
  6. Step 6: Final answer
    x = 92,913,039.01

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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.