Home / 282,794,799.16-390,250,706.04-163,722,412.76

Finding the Fourth Proportional to 282,794,799.16, 390,250,706.04 and 163,722,412.76

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Solution

The fourth proportional to 282,794,799.16, 390,250,706.04 and 163,722,412.76 is: 225,933,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,794,799.16 : 390,250,706.04 = 163,722,412.76 : x
  2. Step 2: Convert to fraction form
    282,794,799.16/390,250,706.04 = 163,722,412.76/x
  3. Step 3: Cross multiply
    282,794,799.16x = 390,250,706.04 × 163,722,412.76
  4. Step 4: Simplify right side
    282,794,799.16x = 63,892,787,175,137,928
  5. Step 5: Solve for x
    x = 63,892,787,175,137,928/282,794,799.16
  6. Step 6: Final answer
    x = 225,933,388.33

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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.