Home / 189,550,385.70-284,325,578.55-155,113,008.90

Finding the Fourth Proportional to 189,550,385.70, 284,325,578.55 and 155,113,008.90

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Solution

The fourth proportional to 189,550,385.70, 284,325,578.55 and 155,113,008.90 is: 232,669,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,550,385.70 : 284,325,578.55 = 155,113,008.90 : x
  2. Step 2: Convert to fraction form
    189,550,385.70/284,325,578.55 = 155,113,008.90/x
  3. Step 3: Cross multiply
    189,550,385.70x = 284,325,578.55 × 155,113,008.90
  4. Step 4: Simplify right side
    189,550,385.70x = 44,102,595,996,123,800
  5. Step 5: Solve for x
    x = 44,102,595,996,123,800/189,550,385.70
  6. Step 6: Final answer
    x = 232,669,513.35

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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.