Home / 265,878,593.10-398,777,998.77-84,102,151.50

Finding the Fourth Proportional to 265,878,593.10, 398,777,998.77 and 84,102,151.50

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Solution

The fourth proportional to 265,878,593.10, 398,777,998.77 and 84,102,151.50 is: 126,140,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,878,593.10 : 398,777,998.77 = 84,102,151.50 : x
  2. Step 2: Convert to fraction form
    265,878,593.10/398,777,998.77 = 84,102,151.50/x
  3. Step 3: Cross multiply
    265,878,593.10x = 398,777,998.77 × 84,102,151.50
  4. Step 4: Simplify right side
    265,878,593.10x = 33,538,087,667,421,352
  5. Step 5: Solve for x
    x = 33,538,087,667,421,352/265,878,593.10
  6. Step 6: Final answer
    x = 126,140,609.05

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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.