Home / 100,849,556.30-151,274,334.45-86,500,649.30

Finding the Fourth Proportional to 100,849,556.30, 151,274,334.45 and 86,500,649.30

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Solution

The fourth proportional to 100,849,556.30, 151,274,334.45 and 86,500,649.30 is: 129,750,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849,556.30 : 151,274,334.45 = 86,500,649.30 : x
  2. Step 2: Convert to fraction form
    100,849,556.30/151,274,334.45 = 86,500,649.30/x
  3. Step 3: Cross multiply
    100,849,556.30x = 151,274,334.45 × 86,500,649.30
  4. Step 4: Simplify right side
    100,849,556.30x = 13,085,328,152,350,356
  5. Step 5: Solve for x
    x = 13,085,328,152,350,356/100,849,556.30
  6. Step 6: Final answer
    x = 129,750,973.95

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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.