Home / 61,312,855.87-91,819,883.64-40,550,645.17

Finding the Fourth Proportional to 61,312,855.87, 91,819,883.64 and 40,550,645.17

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Solution

The fourth proportional to 61,312,855.87, 91,819,883.64 and 40,550,645.17 is: 60,727,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,312,855.87 : 91,819,883.64 = 40,550,645.17 : x
  2. Step 2: Convert to fraction form
    61,312,855.87/91,819,883.64 = 40,550,645.17/x
  3. Step 3: Cross multiply
    61,312,855.87x = 91,819,883.64 × 40,550,645.17
  4. Step 4: Simplify right side
    61,312,855.87x = 3,723,355,521,036,328
  5. Step 5: Solve for x
    x = 3,723,355,521,036,328/61,312,855.87
  6. Step 6: Final answer
    x = 60,727,158.57

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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.