Home / 284,235,015.96-426,393,194.52-87,515,073.84

Finding the Fourth Proportional to 284,235,015.96, 426,393,194.52 and 87,515,073.84

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Solution

The fourth proportional to 284,235,015.96, 426,393,194.52 and 87,515,073.84 is: 131,285,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,235,015.96 : 426,393,194.52 = 87,515,073.84 : x
  2. Step 2: Convert to fraction form
    284,235,015.96/426,393,194.52 = 87,515,073.84/x
  3. Step 3: Cross multiply
    284,235,015.96x = 426,393,194.52 × 87,515,073.84
  4. Step 4: Simplify right side
    284,235,015.96x = 37,315,831,903,291,280
  5. Step 5: Solve for x
    x = 37,315,831,903,291,280/284,235,015.96
  6. Step 6: Final answer
    x = 131,285,133.10

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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.