Home / 123,363,820.47-184,851,062.19-45,533,600.76

Finding the Fourth Proportional to 123,363,820.47, 184,851,062.19 and 45,533,600.76

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Solution

The fourth proportional to 123,363,820.47, 184,851,062.19 and 45,533,600.76 is: 68,228,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,363,820.47 : 184,851,062.19 = 45,533,600.76 : x
  2. Step 2: Convert to fraction form
    123,363,820.47/184,851,062.19 = 45,533,600.76/x
  3. Step 3: Cross multiply
    123,363,820.47x = 184,851,062.19 × 45,533,600.76
  4. Step 4: Simplify right side
    123,363,820.47x = 8,416,934,465,821,391
  5. Step 5: Solve for x
    x = 8,416,934,465,821,391/123,363,820.47
  6. Step 6: Final answer
    x = 68,228,548.97

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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.