Home / 66,051,421.40-99,077,132.10-43,093,170.20

Finding the Fourth Proportional to 66,051,421.40, 99,077,132.10 and 43,093,170.20

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Solution

The fourth proportional to 66,051,421.40, 99,077,132.10 and 43,093,170.20 is: 64,639,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,421.40 : 99,077,132.10 = 43,093,170.20 : x
  2. Step 2: Convert to fraction form
    66,051,421.40/99,077,132.10 = 43,093,170.20/x
  3. Step 3: Cross multiply
    66,051,421.40x = 99,077,132.10 × 43,093,170.20
  4. Step 4: Simplify right side
    66,051,421.40x = 4,269,547,716,513,183.50
  5. Step 5: Solve for x
    x = 4,269,547,716,513,183.50/66,051,421.40
  6. Step 6: Final answer
    x = 64,639,755.30

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Double scale
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Similar ratio
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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.