Home / 256,468,306.20-384,739,784.10-83,903,314.20

Finding the Fourth Proportional to 256,468,306.20, 384,739,784.10 and 83,903,314.20

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Solution

The fourth proportional to 256,468,306.20, 384,739,784.10 and 83,903,314.20 is: 125,867,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,468,306.20 : 384,739,784.10 = 83,903,314.20 : x
  2. Step 2: Convert to fraction form
    256,468,306.20/384,739,784.10 = 83,903,314.20/x
  3. Step 3: Cross multiply
    256,468,306.20x = 384,739,784.10 × 83,903,314.20
  4. Step 4: Simplify right side
    256,468,306.20x = 32,280,942,990,582,468
  5. Step 5: Solve for x
    x = 32,280,942,990,582,468/256,468,306.20
  6. Step 6: Final answer
    x = 125,867,182.07

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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.