Home / 72,768,209.60-109,152,314.40-29,615,200.40

Finding the Fourth Proportional to 72,768,209.60, 109,152,314.40 and 29,615,200.40

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Solution

The fourth proportional to 72,768,209.60, 109,152,314.40 and 29,615,200.40 is: 44,422,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,768,209.60 : 109,152,314.40 = 29,615,200.40 : x
  2. Step 2: Convert to fraction form
    72,768,209.60/109,152,314.40 = 29,615,200.40/x
  3. Step 3: Cross multiply
    72,768,209.60x = 109,152,314.40 × 29,615,200.40
  4. Step 4: Simplify right side
    72,768,209.60x = 3,232,567,665,079,806
  5. Step 5: Solve for x
    x = 3,232,567,665,079,806/72,768,209.60
  6. Step 6: Final answer
    x = 44,422,800.60

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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.