Home / 258,427,111.12-356,633,664.20-140,952,442.16

Finding the Fourth Proportional to 258,427,111.12, 356,633,664.20 and 140,952,442.16

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Solution

The fourth proportional to 258,427,111.12, 356,633,664.20 and 140,952,442.16 is: 194,516,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,427,111.12 : 356,633,664.20 = 140,952,442.16 : x
  2. Step 2: Convert to fraction form
    258,427,111.12/356,633,664.20 = 140,952,442.16/x
  3. Step 3: Cross multiply
    258,427,111.12x = 356,633,664.20 × 140,952,442.16
  4. Step 4: Simplify right side
    258,427,111.12x = 50,268,385,925,459,360
  5. Step 5: Solve for x
    x = 50,268,385,925,459,360/258,427,111.12
  6. Step 6: Final answer
    x = 194,516,688.70

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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.