Home / 289,340,997.60-434,059,318.80-134,050,000.80

Finding the Fourth Proportional to 289,340,997.60, 434,059,318.80 and 134,050,000.80

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Solution

The fourth proportional to 289,340,997.60, 434,059,318.80 and 134,050,000.80 is: 201,097,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,340,997.60 : 434,059,318.80 = 134,050,000.80 : x
  2. Step 2: Convert to fraction form
    289,340,997.60/434,059,318.80 = 134,050,000.80/x
  3. Step 3: Cross multiply
    289,340,997.60x = 434,059,318.80 × 134,050,000.80
  4. Step 4: Simplify right side
    289,340,997.60x = 58,185,652,032,387,456
  5. Step 5: Solve for x
    x = 58,185,652,032,387,456/289,340,997.60
  6. Step 6: Final answer
    x = 201,097,157.04

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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.