Home / 157,778,974.73-236,668,458.45-42,763,514.78

Finding the Fourth Proportional to 157,778,974.73, 236,668,458.45 and 42,763,514.78

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Solution

The fourth proportional to 157,778,974.73, 236,668,458.45 and 42,763,514.78 is: 64,145,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778,974.73 : 236,668,458.45 = 42,763,514.78 : x
  2. Step 2: Convert to fraction form
    157,778,974.73/236,668,458.45 = 42,763,514.78/x
  3. Step 3: Cross multiply
    157,778,974.73x = 236,668,458.45 × 42,763,514.78
  4. Step 4: Simplify right side
    157,778,974.73x = 10,120,775,119,703,048
  5. Step 5: Solve for x
    x = 10,120,775,119,703,048/157,778,974.73
  6. Step 6: Final answer
    x = 64,145,271.18

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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.