Home / 256,025,861.37-353,316,567.98-138,551,160.45

Finding the Fourth Proportional to 256,025,861.37, 353,316,567.98 and 138,551,160.45

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Solution

The fourth proportional to 256,025,861.37, 353,316,567.98 and 138,551,160.45 is: 191,201,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,025,861.37 : 353,316,567.98 = 138,551,160.45 : x
  2. Step 2: Convert to fraction form
    256,025,861.37/353,316,567.98 = 138,551,160.45/x
  3. Step 3: Cross multiply
    256,025,861.37x = 353,316,567.98 × 138,551,160.45
  4. Step 4: Simplify right side
    256,025,861.37x = 48,952,420,499,147,552
  5. Step 5: Solve for x
    x = 48,952,420,499,147,552/256,025,861.37
  6. Step 6: Final answer
    x = 191,201,077.26

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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.