Home / 66,051,570.90-99,077,356.35-43,093,319.70

Finding the Fourth Proportional to 66,051,570.90, 99,077,356.35 and 43,093,319.70

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Solution

The fourth proportional to 66,051,570.90, 99,077,356.35 and 43,093,319.70 is: 64,639,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,570.90 : 99,077,356.35 = 43,093,319.70 : x
  2. Step 2: Convert to fraction form
    66,051,570.90/99,077,356.35 = 43,093,319.70/x
  3. Step 3: Cross multiply
    66,051,570.90x = 99,077,356.35 × 43,093,319.70
  4. Step 4: Simplify right side
    66,051,570.90x = 4,269,572,192,221,375
  5. Step 5: Solve for x
    x = 4,269,572,192,221,375/66,051,570.90
  6. Step 6: Final answer
    x = 64,639,979.55

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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.