Home / 116,529,874.02-160,787,220.78-66,960,671

Finding the Fourth Proportional to 116,529,874.02, 160,787,220.78 and 66,960,671

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Solution

The fourth proportional to 116,529,874.02, 160,787,220.78 and 66,960,671 is: 92,391,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,529,874.02 : 160,787,220.78 = 66,960,671 : x
  2. Step 2: Convert to fraction form
    116,529,874.02/160,787,220.78 = 66,960,671/x
  3. Step 3: Cross multiply
    116,529,874.02x = 160,787,220.78 × 66,960,671
  4. Step 4: Simplify right side
    116,529,874.02x = 10,766,420,191,653,944
  5. Step 5: Solve for x
    x = 10,766,420,191,653,944/116,529,874.02
  6. Step 6: Final answer
    x = 92,391,931.96

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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.