Home / 113,763,257.67-156,948,624.46-66,070,392.94

Finding the Fourth Proportional to 113,763,257.67, 156,948,624.46 and 66,070,392.94

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Solution

The fourth proportional to 113,763,257.67, 156,948,624.46 and 66,070,392.94 is: 91,151,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763,257.67 : 156,948,624.46 = 66,070,392.94 : x
  2. Step 2: Convert to fraction form
    113,763,257.67/156,948,624.46 = 66,070,392.94/x
  3. Step 3: Cross multiply
    113,763,257.67x = 156,948,624.46 × 66,070,392.94
  4. Step 4: Simplify right side
    113,763,257.67x = 10,369,657,289,464,696
  5. Step 5: Solve for x
    x = 10,369,657,289,464,696/113,763,257.67
  6. Step 6: Final answer
    x = 91,151,198.57

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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.