Home / 186,789,999.90-280,184,999.85-100,696,557.90

Finding the Fourth Proportional to 186,789,999.90, 280,184,999.85 and 100,696,557.90

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Solution

The fourth proportional to 186,789,999.90, 280,184,999.85 and 100,696,557.90 is: 151,044,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,999.90 : 280,184,999.85 = 100,696,557.90 : x
  2. Step 2: Convert to fraction form
    186,789,999.90/280,184,999.85 = 100,696,557.90/x
  3. Step 3: Cross multiply
    186,789,999.90x = 280,184,999.85 × 100,696,557.90
  4. Step 4: Simplify right side
    186,789,999.90x = 28,213,665,060,107,020
  5. Step 5: Solve for x
    x = 28,213,665,060,107,020/186,789,999.90
  6. Step 6: Final answer
    x = 151,044,836.85

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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.