Home / 256,593,519.29-354,101,688.02-139,119,076.73

Finding the Fourth Proportional to 256,593,519.29, 354,101,688.02 and 139,119,076.73

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Solution

The fourth proportional to 256,593,519.29, 354,101,688.02 and 139,119,076.73 is: 191,985,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,593,519.29 : 354,101,688.02 = 139,119,076.73 : x
  2. Step 2: Convert to fraction form
    256,593,519.29/354,101,688.02 = 139,119,076.73/x
  3. Step 3: Cross multiply
    256,593,519.29x = 354,101,688.02 × 139,119,076.73
  4. Step 4: Simplify right side
    256,593,519.29x = 49,262,299,903,410,792
  5. Step 5: Solve for x
    x = 49,262,299,903,410,792/256,593,519.29
  6. Step 6: Final answer
    x = 191,985,752.57

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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.