Home / 201,420,893.80-302,131,340.70-65,204,036.20

Finding the Fourth Proportional to 201,420,893.80, 302,131,340.70 and 65,204,036.20

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Solution

The fourth proportional to 201,420,893.80, 302,131,340.70 and 65,204,036.20 is: 97,806,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,420,893.80 : 302,131,340.70 = 65,204,036.20 : x
  2. Step 2: Convert to fraction form
    201,420,893.80/302,131,340.70 = 65,204,036.20/x
  3. Step 3: Cross multiply
    201,420,893.80x = 302,131,340.70 × 65,204,036.20
  4. Step 4: Simplify right side
    201,420,893.80x = 19,700,182,876,157,332
  5. Step 5: Solve for x
    x = 19,700,182,876,157,332/201,420,893.80
  6. Step 6: Final answer
    x = 97,806,054.30

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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.