Home / 210,714,902.20-316,072,353.30-89,530,607.80

Finding the Fourth Proportional to 210,714,902.20, 316,072,353.30 and 89,530,607.80

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Solution

The fourth proportional to 210,714,902.20, 316,072,353.30 and 89,530,607.80 is: 134,295,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,714,902.20 : 316,072,353.30 = 89,530,607.80 : x
  2. Step 2: Convert to fraction form
    210,714,902.20/316,072,353.30 = 89,530,607.80/x
  3. Step 3: Cross multiply
    210,714,902.20x = 316,072,353.30 × 89,530,607.80
  4. Step 4: Simplify right side
    210,714,902.20x = 28,298,149,899,725,336
  5. Step 5: Solve for x
    x = 28,298,149,899,725,336/210,714,902.20
  6. Step 6: Final answer
    x = 134,295,911.70

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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.