Home / 219,235,700.13-328,926,967.52-71,690,064.27

Finding the Fourth Proportional to 219,235,700.13, 328,926,967.52 and 71,690,064.27

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Solution

The fourth proportional to 219,235,700.13, 328,926,967.52 and 71,690,064.27 is: 107,559,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,235,700.13 : 328,926,967.52 = 71,690,064.27 : x
  2. Step 2: Convert to fraction form
    219,235,700.13/328,926,967.52 = 71,690,064.27/x
  3. Step 3: Cross multiply
    219,235,700.13x = 328,926,967.52 × 71,690,064.27
  4. Step 4: Simplify right side
    219,235,700.13x = 23,580,795,441,286,548
  5. Step 5: Solve for x
    x = 23,580,795,441,286,548/219,235,700.13
  6. Step 6: Final answer
    x = 107,559,103.87

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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.