Home / 90,800,645.64-125,248,965.36-64,703,595.60

Finding the Fourth Proportional to 90,800,645.64, 125,248,965.36 and 64,703,595.60

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Solution

The fourth proportional to 90,800,645.64, 125,248,965.36 and 64,703,595.60 is: 89,251,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800,645.64 : 125,248,965.36 = 64,703,595.60 : x
  2. Step 2: Convert to fraction form
    90,800,645.64/125,248,965.36 = 64,703,595.60/x
  3. Step 3: Cross multiply
    90,800,645.64x = 125,248,965.36 × 64,703,595.60
  4. Step 4: Simplify right side
    90,800,645.64x = 8,104,058,403,971,849
  5. Step 5: Solve for x
    x = 8,104,058,403,971,849/90,800,645.64
  6. Step 6: Final answer
    x = 89,251,109.91

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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.