Home / 67,958,163.62-93,779,240.55-39,703,155.50

Finding the Fourth Proportional to 67,958,163.62, 93,779,240.55 and 39,703,155.50

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Solution

The fourth proportional to 67,958,163.62, 93,779,240.55 and 39,703,155.50 is: 54,788,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,958,163.62 : 93,779,240.55 = 39,703,155.50 : x
  2. Step 2: Convert to fraction form
    67,958,163.62/93,779,240.55 = 39,703,155.50/x
  3. Step 3: Cross multiply
    67,958,163.62x = 93,779,240.55 × 39,703,155.50
  4. Step 4: Simplify right side
    67,958,163.62x = 3,723,331,770,228,555.50
  5. Step 5: Solve for x
    x = 3,723,331,770,228,555.50/67,958,163.62
  6. Step 6: Final answer
    x = 54,788,587.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.