Home / 129,797,257,675.14-179,121,267,297.89-71,926,604,152.04

Finding the Fourth Proportional to 129,797,257,675.14, 179,121,267,297.89 and 71,926,604,152.04

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Solution

The fourth proportional to 129,797,257,675.14, 179,121,267,297.89 and 71,926,604,152.04 is: 99,259,296,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,797,257,675.14 : 179,121,267,297.89 = 71,926,604,152.04 : x
  2. Step 2: Convert to fraction form
    129,797,257,675.14/179,121,267,297.89 = 71,926,604,152.04/x
  3. Step 3: Cross multiply
    129,797,257,675.14x = 179,121,267,297.89 × 71,926,604,152.04
  4. Step 4: Simplify right side
    129,797,257,675.14x = 12,883,584,488,147,441,942,528
  5. Step 5: Solve for x
    x = 12,883,584,488,147,441,942,528/129,797,257,675.14
  6. Step 6: Final answer
    x = 99,259,296,528.38

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1.5x scale

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.