Home / 286,291,239.40-429,562,830.30-132,858,317.80

Finding the Fourth Proportional to 286,291,239.40, 429,562,830.30 and 132,858,317.80

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Solution

The fourth proportional to 286,291,239.40, 429,562,830.30 and 132,858,317.80 is: 199,345,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,291,239.40 : 429,562,830.30 = 132,858,317.80 : x
  2. Step 2: Convert to fraction form
    286,291,239.40/429,562,830.30 = 132,858,317.80/x
  3. Step 3: Cross multiply
    286,291,239.40x = 429,562,830.30 × 132,858,317.80
  4. Step 4: Simplify right side
    286,291,239.40x = 57,070,995,023,064,872
  5. Step 5: Solve for x
    x = 57,070,995,023,064,872/286,291,239.40
  6. Step 6: Final answer
    x = 199,345,935.78

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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.