Home / 112,077,309.70-168,115,964.55-54,681,681.70

Finding the Fourth Proportional to 112,077,309.70, 168,115,964.55 and 54,681,681.70

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Solution

The fourth proportional to 112,077,309.70, 168,115,964.55 and 54,681,681.70 is: 82,022,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077,309.70 : 168,115,964.55 = 54,681,681.70 : x
  2. Step 2: Convert to fraction form
    112,077,309.70/168,115,964.55 = 54,681,681.70/x
  3. Step 3: Cross multiply
    112,077,309.70x = 168,115,964.55 × 54,681,681.70
  4. Step 4: Simplify right side
    112,077,309.70x = 9,192,863,662,211,584
  5. Step 5: Solve for x
    x = 9,192,863,662,211,584/112,077,309.70
  6. Step 6: Final answer
    x = 82,022,522.55

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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.