Home / 72,768,023.40-109,152,035.10-44,070,209.40

Finding the Fourth Proportional to 72,768,023.40, 109,152,035.10 and 44,070,209.40

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Solution

The fourth proportional to 72,768,023.40, 109,152,035.10 and 44,070,209.40 is: 66,105,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,768,023.40 : 109,152,035.10 = 44,070,209.40 : x
  2. Step 2: Convert to fraction form
    72,768,023.40/109,152,035.10 = 44,070,209.40/x
  3. Step 3: Cross multiply
    72,768,023.40x = 109,152,035.10 × 44,070,209.40
  4. Step 4: Simplify right side
    72,768,023.40x = 4,810,353,043,293,150
  5. Step 5: Solve for x
    x = 4,810,353,043,293,150/72,768,023.40
  6. Step 6: Final answer
    x = 66,105,314.10

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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.