Home / 256,729,246.02-354,284,264.04-139,254,278.58

Finding the Fourth Proportional to 256,729,246.02, 354,284,264.04 and 139,254,278.58

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Solution

The fourth proportional to 256,729,246.02, 354,284,264.04 and 139,254,278.58 is: 192,169,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,729,246.02 : 354,284,264.04 = 139,254,278.58 : x
  2. Step 2: Convert to fraction form
    256,729,246.02/354,284,264.04 = 139,254,278.58/x
  3. Step 3: Cross multiply
    256,729,246.02x = 354,284,264.04 × 139,254,278.58
  4. Step 4: Simplify right side
    256,729,246.02x = 49,335,599,601,136,440
  5. Step 5: Solve for x
    x = 49,335,599,601,136,440/256,729,246.02
  6. Step 6: Final answer
    x = 192,169,767.82

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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.