Home / 100,849,556.80-151,274,335.20-86,500,649.80

Finding the Fourth Proportional to 100,849,556.80, 151,274,335.20 and 86,500,649.80

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Solution

The fourth proportional to 100,849,556.80, 151,274,335.20 and 86,500,649.80 is: 129,750,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849,556.80 : 151,274,335.20 = 86,500,649.80 : x
  2. Step 2: Convert to fraction form
    100,849,556.80/151,274,335.20 = 86,500,649.80/x
  3. Step 3: Cross multiply
    100,849,556.80x = 151,274,335.20 × 86,500,649.80
  4. Step 4: Simplify right side
    100,849,556.80x = 13,085,328,292,863,012
  5. Step 5: Solve for x
    x = 13,085,328,292,863,012/100,849,556.80
  6. Step 6: Final answer
    x = 129,750,974.70

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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.