Home / 113,763,254.67-156,948,620.32-66,070,389.94

Finding the Fourth Proportional to 113,763,254.67, 156,948,620.32 and 66,070,389.94

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Solution

The fourth proportional to 113,763,254.67, 156,948,620.32 and 66,070,389.94 is: 91,151,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763,254.67 : 156,948,620.32 = 66,070,389.94 : x
  2. Step 2: Convert to fraction form
    113,763,254.67/156,948,620.32 = 66,070,389.94/x
  3. Step 3: Cross multiply
    113,763,254.67x = 156,948,620.32 × 66,070,389.94
  4. Step 4: Simplify right side
    113,763,254.67x = 10,369,656,545,087,406
  5. Step 5: Solve for x
    x = 10,369,656,545,087,406/113,763,254.67
  6. Step 6: Final answer
    x = 91,151,194.43

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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.