Home / 75,303,766.80-112,955,650.20-52,345,515.60

Finding the Fourth Proportional to 75,303,766.80, 112,955,650.20 and 52,345,515.60

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Solution

The fourth proportional to 75,303,766.80, 112,955,650.20 and 52,345,515.60 is: 78,518,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303,766.80 : 112,955,650.20 = 52,345,515.60 : x
  2. Step 2: Convert to fraction form
    75,303,766.80/112,955,650.20 = 52,345,515.60/x
  3. Step 3: Cross multiply
    75,303,766.80x = 112,955,650.20 × 52,345,515.60
  4. Step 4: Simplify right side
    75,303,766.80x = 5,912,721,749,652,243
  5. Step 5: Solve for x
    x = 5,912,721,749,652,243/75,303,766.80
  6. Step 6: Final answer
    x = 78,518,273.40

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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.