Home / 43,453,885.60-65,188,701.60-21,834,078.40

Finding the Fourth Proportional to 43,453,885.60, 65,188,701.60 and 21,834,078.40

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Solution

The fourth proportional to 43,453,885.60, 65,188,701.60 and 21,834,078.40 is: 32,755,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,885.60 : 65,188,701.60 = 21,834,078.40 : x
  2. Step 2: Convert to fraction form
    43,453,885.60/65,188,701.60 = 21,834,078.40/x
  3. Step 3: Cross multiply
    43,453,885.60x = 65,188,701.60 × 21,834,078.40
  4. Step 4: Simplify right side
    43,453,885.60x = 1,423,335,221,528,605.50
  5. Step 5: Solve for x
    x = 1,423,335,221,528,605.50/43,453,885.60
  6. Step 6: Final answer
    x = 32,755,073.61

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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.