Home / 38,880,129.60-58,320,194.40-28,802,433.60

Finding the Fourth Proportional to 38,880,129.60, 58,320,194.40 and 28,802,433.60

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Solution

The fourth proportional to 38,880,129.60, 58,320,194.40 and 28,802,433.60 is: 43,203,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880,129.60 : 58,320,194.40 = 28,802,433.60 : x
  2. Step 2: Convert to fraction form
    38,880,129.60/58,320,194.40 = 28,802,433.60/x
  3. Step 3: Cross multiply
    38,880,129.60x = 58,320,194.40 × 28,802,433.60
  4. Step 4: Simplify right side
    38,880,129.60x = 1,679,763,526,745,092
  5. Step 5: Solve for x
    x = 1,679,763,526,745,092/38,880,129.60
  6. Step 6: Final answer
    x = 43,203,650.40

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1.5x scale

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.