Home / 219,235,700.63-328,926,968.27-71,690,064.77

Finding the Fourth Proportional to 219,235,700.63, 328,926,968.27 and 71,690,064.77

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Solution

The fourth proportional to 219,235,700.63, 328,926,968.27 and 71,690,064.77 is: 107,559,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,235,700.63 : 328,926,968.27 = 71,690,064.77 : x
  2. Step 2: Convert to fraction form
    219,235,700.63/328,926,968.27 = 71,690,064.77/x
  3. Step 3: Cross multiply
    219,235,700.63x = 328,926,968.27 × 71,690,064.77
  4. Step 4: Simplify right side
    219,235,700.63x = 23,580,795,659,517,584
  5. Step 5: Solve for x
    x = 23,580,795,659,517,584/219,235,700.63
  6. Step 6: Final answer
    x = 107,559,104.62

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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.