Home / 43,459,981.60-65,198,720.40-12,754,501.60

Finding the Fourth Proportional to 43,459,981.60, 65,198,720.40 and 12,754,501.60

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Solution

The fourth proportional to 43,459,981.60, 65,198,720.40 and 12,754,501.60 is: 19,134,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,981.60 : 65,198,720.40 = 12,754,501.60 : x
  2. Step 2: Convert to fraction form
    43,459,981.60/65,198,720.40 = 12,754,501.60/x
  3. Step 3: Cross multiply
    43,459,981.60x = 65,198,720.40 × 12,754,501.60
  4. Step 4: Simplify right side
    43,459,981.60x = 831,577,183,659,752.62
  5. Step 5: Solve for x
    x = 831,577,183,659,752.62/43,459,981.60
  6. Step 6: Final answer
    x = 19,134,319.74

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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.