Home / 89,786,756.61-123,905,670.03-48,533,650.20

Finding the Fourth Proportional to 89,786,756.61, 123,905,670.03 and 48,533,650.20

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Solution

The fourth proportional to 89,786,756.61, 123,905,670.03 and 48,533,650.20 is: 66,976,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786,756.61 : 123,905,670.03 = 48,533,650.20 : x
  2. Step 2: Convert to fraction form
    89,786,756.61/123,905,670.03 = 48,533,650.20/x
  3. Step 3: Cross multiply
    89,786,756.61x = 123,905,670.03 × 48,533,650.20
  4. Step 4: Simplify right side
    89,786,756.61x = 6,013,594,447,032,644
  5. Step 5: Solve for x
    x = 6,013,594,447,032,644/89,786,756.61
  6. Step 6: Final answer
    x = 66,976,408.04

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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.