Home / 206,549,405.30-285,043,290.66-112,468,709.90

Finding the Fourth Proportional to 206,549,405.30, 285,043,290.66 and 112,468,709.90

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Solution

The fourth proportional to 206,549,405.30, 285,043,290.66 and 112,468,709.90 is: 155,209,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,549,405.30 : 285,043,290.66 = 112,468,709.90 : x
  2. Step 2: Convert to fraction form
    206,549,405.30/285,043,290.66 = 112,468,709.90/x
  3. Step 3: Cross multiply
    206,549,405.30x = 285,043,290.66 × 112,468,709.90
  4. Step 4: Simplify right side
    206,549,405.30x = 32,058,451,166,180,924
  5. Step 5: Solve for x
    x = 32,058,451,166,180,924/206,549,405.30
  6. Step 6: Final answer
    x = 155,209,602.85

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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.