Home / 141,252,935.20-211,767,428.40-77,427,527.20

Finding the Fourth Proportional to 141,252,935.20, 211,767,428.40 and 77,427,527.20

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Solution

The fourth proportional to 141,252,935.20, 211,767,428.40 and 77,427,527.20 is: 116,079,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,252,935.20 : 211,767,428.40 = 77,427,527.20 : x
  2. Step 2: Convert to fraction form
    141,252,935.20/211,767,428.40 = 77,427,527.20/x
  3. Step 3: Cross multiply
    141,252,935.20x = 211,767,428.40 × 77,427,527.20
  4. Step 4: Simplify right side
    141,252,935.20x = 16,396,628,322,515,054
  5. Step 5: Solve for x
    x = 16,396,628,322,515,054/141,252,935.20
  6. Step 6: Final answer
    x = 116,079,912.25

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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.