Home / 379,105,887.04-568,680,102.56-106,455,396.40

Finding the Fourth Proportional to 379,105,887.04, 568,680,102.56 and 106,455,396.40

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Solution

The fourth proportional to 379,105,887.04, 568,680,102.56 and 106,455,396.40 is: 159,689,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,105,887.04 : 568,680,102.56 = 106,455,396.40 : x
  2. Step 2: Convert to fraction form
    379,105,887.04/568,680,102.56 = 106,455,396.40/x
  3. Step 3: Cross multiply
    379,105,887.04x = 568,680,102.56 × 106,455,396.40
  4. Step 4: Simplify right side
    379,105,887.04x = 60,539,065,742,817,456
  5. Step 5: Solve for x
    x = 60,539,065,742,817,456/379,105,887.04
  6. Step 6: Final answer
    x = 159,689,067.92

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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.