Home / 201,420,904.30-302,131,356.45-65,204,046.70

Finding the Fourth Proportional to 201,420,904.30, 302,131,356.45 and 65,204,046.70

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Solution

The fourth proportional to 201,420,904.30, 302,131,356.45 and 65,204,046.70 is: 97,806,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,420,904.30 : 302,131,356.45 = 65,204,046.70 : x
  2. Step 2: Convert to fraction form
    201,420,904.30/302,131,356.45 = 65,204,046.70/x
  3. Step 3: Cross multiply
    201,420,904.30x = 302,131,356.45 × 65,204,046.70
  4. Step 4: Simplify right side
    201,420,904.30x = 19,700,187,075,500,148
  5. Step 5: Solve for x
    x = 19,700,187,075,500,148/201,420,904.30
  6. Step 6: Final answer
    x = 97,806,070.05

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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.