Home / 199,588,432.80-299,382,649.20-70,195,015.20

Finding the Fourth Proportional to 199,588,432.80, 299,382,649.20 and 70,195,015.20

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Solution

The fourth proportional to 199,588,432.80, 299,382,649.20 and 70,195,015.20 is: 105,292,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588,432.80 : 299,382,649.20 = 70,195,015.20 : x
  2. Step 2: Convert to fraction form
    199,588,432.80/299,382,649.20 = 70,195,015.20/x
  3. Step 3: Cross multiply
    199,588,432.80x = 299,382,649.20 × 70,195,015.20
  4. Step 4: Simplify right side
    199,588,432.80x = 21,015,169,611,210,268
  5. Step 5: Solve for x
    x = 21,015,169,611,210,268/199,588,432.80
  6. Step 6: Final answer
    x = 105,292,522.80

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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.