Home / 256,562,281.35-354,042,312.24-145,046,454.86

Finding the Fourth Proportional to 256,562,281.35, 354,042,312.24 and 145,046,454.86

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Solution

The fourth proportional to 256,562,281.35, 354,042,312.24 and 145,046,454.86 is: 200,156,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,562,281.35 : 354,042,312.24 = 145,046,454.86 : x
  2. Step 2: Convert to fraction form
    256,562,281.35/354,042,312.24 = 145,046,454.86/x
  3. Step 3: Cross multiply
    256,562,281.35x = 354,042,312.24 × 145,046,454.86
  4. Step 4: Simplify right side
    256,562,281.35x = 51,352,582,259,078,968
  5. Step 5: Solve for x
    x = 51,352,582,259,078,968/256,562,281.35
  6. Step 6: Final answer
    x = 200,156,398.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.