Home / 52,163,974.80-78,245,962.20-43,723,904.40

Finding the Fourth Proportional to 52,163,974.80, 78,245,962.20 and 43,723,904.40

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Solution

The fourth proportional to 52,163,974.80, 78,245,962.20 and 43,723,904.40 is: 65,585,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,163,974.80 : 78,245,962.20 = 43,723,904.40 : x
  2. Step 2: Convert to fraction form
    52,163,974.80/78,245,962.20 = 43,723,904.40/x
  3. Step 3: Cross multiply
    52,163,974.80x = 78,245,962.20 × 43,723,904.40
  4. Step 4: Simplify right side
    52,163,974.80x = 3,421,218,970,918,813.50
  5. Step 5: Solve for x
    x = 3,421,218,970,918,813.50/52,163,974.80
  6. Step 6: Final answer
    x = 65,585,856.60

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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.