Home / 66,348,014.40-99,522,021.60-65,497,708.80

Finding the Fourth Proportional to 66,348,014.40, 99,522,021.60 and 65,497,708.80

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Solution

The fourth proportional to 66,348,014.40, 99,522,021.60 and 65,497,708.80 is: 98,246,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,348,014.40 : 99,522,021.60 = 65,497,708.80 : x
  2. Step 2: Convert to fraction form
    66,348,014.40/99,522,021.60 = 65,497,708.80/x
  3. Step 3: Cross multiply
    66,348,014.40x = 99,522,021.60 × 65,497,708.80
  4. Step 4: Simplify right side
    66,348,014.40x = 6,518,464,389,944,109
  5. Step 5: Solve for x
    x = 6,518,464,389,944,109/66,348,014.40
  6. Step 6: Final answer
    x = 98,246,563.20

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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.