Home / 256,562,291.37-354,042,326.01-145,046,464.86

Finding the Fourth Proportional to 256,562,291.37, 354,042,326.01 and 145,046,464.86

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Solution

The fourth proportional to 256,562,291.37, 354,042,326.01 and 145,046,464.86 is: 200,156,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,562,291.37 : 354,042,326.01 = 145,046,464.86 : x
  2. Step 2: Convert to fraction form
    256,562,291.37/354,042,326.01 = 145,046,464.86/x
  3. Step 3: Cross multiply
    256,562,291.37x = 354,042,326.01 × 145,046,464.86
  4. Step 4: Simplify right side
    256,562,291.37x = 51,352,587,796,791,912
  5. Step 5: Solve for x
    x = 51,352,587,796,791,912/256,562,291.37
  6. Step 6: Final answer
    x = 200,156,412.40

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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.