Home / 176,273,143.60-264,451,705.80-85,321,937.20

Finding the Fourth Proportional to 176,273,143.60, 264,451,705.80 and 85,321,937.20

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Solution

The fourth proportional to 176,273,143.60, 264,451,705.80 and 85,321,937.20 is: 128,003,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,273,143.60 : 264,451,705.80 = 85,321,937.20 : x
  2. Step 2: Convert to fraction form
    176,273,143.60/264,451,705.80 = 85,321,937.20/x
  3. Step 3: Cross multiply
    176,273,143.60x = 264,451,705.80 × 85,321,937.20
  4. Step 4: Simplify right side
    176,273,143.60x = 22,563,531,834,700,476
  5. Step 5: Solve for x
    x = 22,563,531,834,700,476/176,273,143.60
  6. Step 6: Final answer
    x = 128,003,230.52

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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.