Home / 155,520,086.70-233,280,130.05-87,365,001.90

Finding the Fourth Proportional to 155,520,086.70, 233,280,130.05 and 87,365,001.90

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Solution

The fourth proportional to 155,520,086.70, 233,280,130.05 and 87,365,001.90 is: 131,047,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,086.70 : 233,280,130.05 = 87,365,001.90 : x
  2. Step 2: Convert to fraction form
    155,520,086.70/233,280,130.05 = 87,365,001.90/x
  3. Step 3: Cross multiply
    155,520,086.70x = 233,280,130.05 × 87,365,001.90
  4. Step 4: Simplify right side
    155,520,086.70x = 20,380,519,005,050,500
  5. Step 5: Solve for x
    x = 20,380,519,005,050,500/155,520,086.70
  6. Step 6: Final answer
    x = 131,047,502.85

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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.