Home / 118,882,742.97-178,234,178.94-77,952,486.36

Finding the Fourth Proportional to 118,882,742.97, 178,234,178.94 and 77,952,486.36

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Solution

The fourth proportional to 118,882,742.97, 178,234,178.94 and 77,952,486.36 is: 116,869,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,882,742.97 : 178,234,178.94 = 77,952,486.36 : x
  2. Step 2: Convert to fraction form
    118,882,742.97/178,234,178.94 = 77,952,486.36/x
  3. Step 3: Cross multiply
    118,882,742.97x = 178,234,178.94 × 77,952,486.36
  4. Step 4: Simplify right side
    118,882,742.97x = 13,893,797,402,706,148
  5. Step 5: Solve for x
    x = 13,893,797,402,706,148/118,882,742.97
  6. Step 6: Final answer
    x = 116,869,758.01

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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.