Home / 67,387,115.80-101,080,673.70-64,741,720.60

Finding the Fourth Proportional to 67,387,115.80, 101,080,673.70 and 64,741,720.60

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Solution

The fourth proportional to 67,387,115.80, 101,080,673.70 and 64,741,720.60 is: 97,112,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387,115.80 : 101,080,673.70 = 64,741,720.60 : x
  2. Step 2: Convert to fraction form
    67,387,115.80/101,080,673.70 = 64,741,720.60/x
  3. Step 3: Cross multiply
    67,387,115.80x = 101,080,673.70 × 64,741,720.60
  4. Step 4: Simplify right side
    67,387,115.80x = 6,544,136,734,745,169
  5. Step 5: Solve for x
    x = 6,544,136,734,745,169/67,387,115.80
  6. Step 6: Final answer
    x = 97,112,580.90

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1.5x scale

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.