Home / 286,367,175.90-429,575,507.07-79,105,513.98

Finding the Fourth Proportional to 286,367,175.90, 429,575,507.07 and 79,105,513.98

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Solution

The fourth proportional to 286,367,175.90, 429,575,507.07 and 79,105,513.98 is: 118,665,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,367,175.90 : 429,575,507.07 = 79,105,513.98 : x
  2. Step 2: Convert to fraction form
    286,367,175.90/429,575,507.07 = 79,105,513.98/x
  3. Step 3: Cross multiply
    286,367,175.90x = 429,575,507.07 × 79,105,513.98
  4. Step 4: Simplify right side
    286,367,175.90x = 33,981,791,279,991,476
  5. Step 5: Solve for x
    x = 33,981,791,279,991,476/286,367,175.90
  6. Step 6: Final answer
    x = 118,665,105.99

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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.