Home / 256,183,144.02-384,298,339.14-83,660,861.70

Finding the Fourth Proportional to 256,183,144.02, 384,298,339.14 and 83,660,861.70

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Solution

The fourth proportional to 256,183,144.02, 384,298,339.14 and 83,660,861.70 is: 125,499,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,183,144.02 : 384,298,339.14 = 83,660,861.70 : x
  2. Step 2: Convert to fraction form
    256,183,144.02/384,298,339.14 = 83,660,861.70/x
  3. Step 3: Cross multiply
    256,183,144.02x = 384,298,339.14 × 83,660,861.70
  4. Step 4: Simplify right side
    256,183,144.02x = 32,150,730,202,331,236
  5. Step 5: Solve for x
    x = 32,150,730,202,331,236/256,183,144.02
  6. Step 6: Final answer
    x = 125,499,007.07

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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.