Home / 65,554,623.80-98,331,935.70-20,110,513.40

Finding the Fourth Proportional to 65,554,623.80, 98,331,935.70 and 20,110,513.40

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Solution

The fourth proportional to 65,554,623.80, 98,331,935.70 and 20,110,513.40 is: 30,165,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,554,623.80 : 98,331,935.70 = 20,110,513.40 : x
  2. Step 2: Convert to fraction form
    65,554,623.80/98,331,935.70 = 20,110,513.40/x
  3. Step 3: Cross multiply
    65,554,623.80x = 98,331,935.70 × 20,110,513.40
  4. Step 4: Simplify right side
    65,554,623.80x = 1,977,505,710,542,788.25
  5. Step 5: Solve for x
    x = 1,977,505,710,542,788.25/65,554,623.80
  6. Step 6: Final answer
    x = 30,165,770.10

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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.