Home / 305,784,920.30-458,677,380.45-191,123,134.70

Finding the Fourth Proportional to 305,784,920.30, 458,677,380.45 and 191,123,134.70

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Solution

The fourth proportional to 305,784,920.30, 458,677,380.45 and 191,123,134.70 is: 286,684,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,784,920.30 : 458,677,380.45 = 191,123,134.70 : x
  2. Step 2: Convert to fraction form
    305,784,920.30/458,677,380.45 = 191,123,134.70/x
  3. Step 3: Cross multiply
    305,784,920.30x = 458,677,380.45 × 191,123,134.70
  4. Step 4: Simplify right side
    305,784,920.30x = 87,663,858,767,588,496
  5. Step 5: Solve for x
    x = 87,663,858,767,588,496/305,784,920.30
  6. Step 6: Final answer
    x = 286,684,702.05

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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.