Home / 123,374,113.99-170,333,690.22-79,397,538.91

Finding the Fourth Proportional to 123,374,113.99, 170,333,690.22 and 79,397,538.91

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Solution

The fourth proportional to 123,374,113.99, 170,333,690.22 and 79,397,538.91 is: 109,618,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,374,113.99 : 170,333,690.22 = 79,397,538.91 : x
  2. Step 2: Convert to fraction form
    123,374,113.99/170,333,690.22 = 79,397,538.91/x
  3. Step 3: Cross multiply
    123,374,113.99x = 170,333,690.22 × 79,397,538.91
  4. Step 4: Simplify right side
    123,374,113.99x = 13,524,075,796,926,336
  5. Step 5: Solve for x
    x = 13,524,075,796,926,336/123,374,113.99
  6. Step 6: Final answer
    x = 109,618,422.86

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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.