Home / 256,014,635.72-353,301,127.50-138,539,952.58

Finding the Fourth Proportional to 256,014,635.72, 353,301,127.50 and 138,539,952.58

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Solution

The fourth proportional to 256,014,635.72, 353,301,127.50 and 138,539,952.58 is: 191,185,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,014,635.72 : 353,301,127.50 = 138,539,952.58 : x
  2. Step 2: Convert to fraction form
    256,014,635.72/353,301,127.50 = 138,539,952.58/x
  3. Step 3: Cross multiply
    256,014,635.72x = 353,301,127.50 × 138,539,952.58
  4. Step 4: Simplify right side
    256,014,635.72x = 48,946,321,450,310,536
  5. Step 5: Solve for x
    x = 48,946,321,450,310,536/256,014,635.72
  6. Step 6: Final answer
    x = 191,185,637.93

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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.