Home / 66,701,178.14-91,974,531.04-43,453,193.18

Finding the Fourth Proportional to 66,701,178.14, 91,974,531.04 and 43,453,193.18

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Solution

The fourth proportional to 66,701,178.14, 91,974,531.04 and 43,453,193.18 is: 59,917,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,701,178.14 : 91,974,531.04 = 43,453,193.18 : x
  2. Step 2: Convert to fraction form
    66,701,178.14/91,974,531.04 = 43,453,193.18/x
  3. Step 3: Cross multiply
    66,701,178.14x = 91,974,531.04 × 43,453,193.18
  4. Step 4: Simplify right side
    66,701,178.14x = 3,996,587,064,352,346.50
  5. Step 5: Solve for x
    x = 3,996,587,064,352,346.50/66,701,178.14
  6. Step 6: Final answer
    x = 59,917,788.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.