Home / 289,522,901.03-399,539,730.13-165,787,493.00

Finding the Fourth Proportional to 289,522,901.03, 399,539,730.13 and 165,787,493.00

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Solution

The fourth proportional to 289,522,901.03, 399,539,730.13 and 165,787,493.00 is: 228,785,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,522,901.03 : 399,539,730.13 = 165,787,493.00 : x
  2. Step 2: Convert to fraction form
    289,522,901.03/399,539,730.13 = 165,787,493.00/x
  3. Step 3: Cross multiply
    289,522,901.03x = 399,539,730.13 × 165,787,493.00
  4. Step 4: Simplify right side
    289,522,901.03x = 66,238,690,209,737,096
  5. Step 5: Solve for x
    x = 66,238,690,209,737,096/289,522,901.03
  6. Step 6: Final answer
    x = 228,785,667.65

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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.