Home / 206,549,408.30-285,043,294.80-112,468,712.90

Finding the Fourth Proportional to 206,549,408.30, 285,043,294.80 and 112,468,712.90

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Solution

The fourth proportional to 206,549,408.30, 285,043,294.80 and 112,468,712.90 is: 155,209,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,549,408.30 : 285,043,294.80 = 112,468,712.90 : x
  2. Step 2: Convert to fraction form
    206,549,408.30/285,043,294.80 = 112,468,712.90/x
  3. Step 3: Cross multiply
    206,549,408.30x = 285,043,294.80 × 112,468,712.90
  4. Step 4: Simplify right side
    206,549,408.30x = 32,058,452,486,931,264
  5. Step 5: Solve for x
    x = 32,058,452,486,931,264/206,549,408.30
  6. Step 6: Final answer
    x = 155,209,606.99

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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.