Home / 209,915,740.96-314,964,545.28-112,758,081.28

Finding the Fourth Proportional to 209,915,740.96, 314,964,545.28 and 112,758,081.28

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Solution

The fourth proportional to 209,915,740.96, 314,964,545.28 and 112,758,081.28 is: 169,185,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,915,740.96 : 314,964,545.28 = 112,758,081.28 : x
  2. Step 2: Convert to fraction form
    209,915,740.96/314,964,545.28 = 112,758,081.28/x
  3. Step 3: Cross multiply
    209,915,740.96x = 314,964,545.28 × 112,758,081.28
  4. Step 4: Simplify right side
    209,915,740.96x = 35,514,797,797,000,476
  5. Step 5: Solve for x
    x = 35,514,797,797,000,476/209,915,740.96
  6. Step 6: Final answer
    x = 169,185,967.83

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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.