Home / 286,534,608.80-429,892,771.44-102,298,134.56

Finding the Fourth Proportional to 286,534,608.80, 429,892,771.44 and 102,298,134.56

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Solution

The fourth proportional to 286,534,608.80, 429,892,771.44 and 102,298,134.56 is: 153,479,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,534,608.80 : 429,892,771.44 = 102,298,134.56 : x
  2. Step 2: Convert to fraction form
    286,534,608.80/429,892,771.44 = 102,298,134.56/x
  3. Step 3: Cross multiply
    286,534,608.80x = 429,892,771.44 × 102,298,134.56
  4. Step 4: Simplify right side
    286,534,608.80x = 43,977,228,579,140,448
  5. Step 5: Solve for x
    x = 43,977,228,579,140,448/286,534,608.80
  6. Step 6: Final answer
    x = 153,479,639.91

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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.