Home / 113,763,253.67-156,948,618.94-66,070,388.94

Finding the Fourth Proportional to 113,763,253.67, 156,948,618.94 and 66,070,388.94

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Solution

The fourth proportional to 113,763,253.67, 156,948,618.94 and 66,070,388.94 is: 91,151,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763,253.67 : 156,948,618.94 = 66,070,388.94 : x
  2. Step 2: Convert to fraction form
    113,763,253.67/156,948,618.94 = 66,070,388.94/x
  3. Step 3: Cross multiply
    113,763,253.67x = 156,948,618.94 × 66,070,388.94
  4. Step 4: Simplify right side
    113,763,253.67x = 10,369,656,296,961,650
  5. Step 5: Solve for x
    x = 10,369,656,296,961,650/113,763,253.67
  6. Step 6: Final answer
    x = 91,151,193.05

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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.