Home / 141,885,321.04-212,725,838.60-87,184,890.76

Finding the Fourth Proportional to 141,885,321.04, 212,725,838.60 and 87,184,890.76

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Solution

The fourth proportional to 141,885,321.04, 212,725,838.60 and 87,184,890.76 is: 130,714,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,885,321.04 : 212,725,838.60 = 87,184,890.76 : x
  2. Step 2: Convert to fraction form
    141,885,321.04/212,725,838.60 = 87,184,890.76/x
  3. Step 3: Cross multiply
    141,885,321.04x = 212,725,838.60 × 87,184,890.76
  4. Step 4: Simplify right side
    141,885,321.04x = 18,546,479,000,170,392
  5. Step 5: Solve for x
    x = 18,546,479,000,170,392/141,885,321.04
  6. Step 6: Final answer
    x = 130,714,571.91

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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.