Home / 286,579,759.65-429,786,515.02-111,663,778.49

Finding the Fourth Proportional to 286,579,759.65, 429,786,515.02 and 111,663,778.49

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Solution

The fourth proportional to 286,579,759.65, 429,786,515.02 and 111,663,778.49 is: 167,463,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,579,759.65 : 429,786,515.02 = 111,663,778.49 : x
  2. Step 2: Convert to fraction form
    286,579,759.65/429,786,515.02 = 111,663,778.49/x
  3. Step 3: Cross multiply
    286,579,759.65x = 429,786,515.02 × 111,663,778.49
  4. Step 4: Simplify right side
    286,579,759.65x = 47,991,586,212,256,808
  5. Step 5: Solve for x
    x = 47,991,586,212,256,808/286,579,759.65
  6. Step 6: Final answer
    x = 167,463,278.88

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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.