Home / 65,549,975.40-98,338,085.10-19,491,755.40

Finding the Fourth Proportional to 65,549,975.40, 98,338,085.10 and 19,491,755.40

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Solution

The fourth proportional to 65,549,975.40, 98,338,085.10 and 19,491,755.40 is: 29,241,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549,975.40 : 98,338,085.10 = 19,491,755.40 : x
  2. Step 2: Convert to fraction form
    65,549,975.40/98,338,085.10 = 19,491,755.40/x
  3. Step 3: Cross multiply
    65,549,975.40x = 98,338,085.10 × 19,491,755.40
  4. Step 4: Simplify right side
    65,549,975.40x = 1,916,781,901,273,584.25
  5. Step 5: Solve for x
    x = 1,916,781,901,273,584.25/65,549,975.40
  6. Step 6: Final answer
    x = 29,241,535.02

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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.