Home / 72,483,449.40-108,651,690.90-36,035,782.20

Finding the Fourth Proportional to 72,483,449.40, 108,651,690.90 and 36,035,782.20

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Solution

The fourth proportional to 72,483,449.40, 108,651,690.90 and 36,035,782.20 is: 54,017,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,483,449.40 : 108,651,690.90 = 36,035,782.20 : x
  2. Step 2: Convert to fraction form
    72,483,449.40/108,651,690.90 = 36,035,782.20/x
  3. Step 3: Cross multiply
    72,483,449.40x = 108,651,690.90 × 36,035,782.20
  4. Step 4: Simplify right side
    72,483,449.40x = 3,915,348,668,934,122.50
  5. Step 5: Solve for x
    x = 3,915,348,668,934,122.50/72,483,449.40
  6. Step 6: Final answer
    x = 54,017,140.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.