Home / 286,579,758.81-429,786,513.77-111,663,777.66

Finding the Fourth Proportional to 286,579,758.81, 429,786,513.77 and 111,663,777.66

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Solution

The fourth proportional to 286,579,758.81, 429,786,513.77 and 111,663,777.66 is: 167,463,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,579,758.81 : 429,786,513.77 = 111,663,777.66 : x
  2. Step 2: Convert to fraction form
    286,579,758.81/429,786,513.77 = 111,663,777.66/x
  3. Step 3: Cross multiply
    286,579,758.81x = 429,786,513.77 × 111,663,777.66
  4. Step 4: Simplify right side
    286,579,758.81x = 47,991,585,714,321,488
  5. Step 5: Solve for x
    x = 47,991,585,714,321,488/286,579,758.81
  6. Step 6: Final answer
    x = 167,463,277.64

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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.