Home / 201,466,005.80-302,199,008.70-157,628,028.20

Finding the Fourth Proportional to 201,466,005.80, 302,199,008.70 and 157,628,028.20

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Solution

The fourth proportional to 201,466,005.80, 302,199,008.70 and 157,628,028.20 is: 236,442,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,466,005.80 : 302,199,008.70 = 157,628,028.20 : x
  2. Step 2: Convert to fraction form
    201,466,005.80/302,199,008.70 = 157,628,028.20/x
  3. Step 3: Cross multiply
    201,466,005.80x = 302,199,008.70 × 157,628,028.20
  4. Step 4: Simplify right side
    201,466,005.80x = 47,635,033,865,375,640
  5. Step 5: Solve for x
    x = 47,635,033,865,375,640/201,466,005.80
  6. Step 6: Final answer
    x = 236,442,042.30

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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.