Home / 103,839,618.61-143,342,796.79-64,700,733.09

Finding the Fourth Proportional to 103,839,618.61, 143,342,796.79 and 64,700,733.09

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Solution

The fourth proportional to 103,839,618.61, 143,342,796.79 and 64,700,733.09 is: 89,314,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,618.61 : 143,342,796.79 = 64,700,733.09 : x
  2. Step 2: Convert to fraction form
    103,839,618.61/143,342,796.79 = 64,700,733.09/x
  3. Step 3: Cross multiply
    103,839,618.61x = 143,342,796.79 × 64,700,733.09
  4. Step 4: Simplify right side
    103,839,618.61x = 9,274,384,036,102,310
  5. Step 5: Solve for x
    x = 9,274,384,036,102,310/103,839,618.61
  6. Step 6: Final answer
    x = 89,314,504.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.