Home / 74,831,649.78-102,517,644.70-72,033,898.16

Finding the Fourth Proportional to 74,831,649.78, 102,517,644.70 and 72,033,898.16

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Solution

The fourth proportional to 74,831,649.78, 102,517,644.70 and 72,033,898.16 is: 98,684,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831,649.78 : 102,517,644.70 = 72,033,898.16 : x
  2. Step 2: Convert to fraction form
    74,831,649.78/102,517,644.70 = 72,033,898.16/x
  3. Step 3: Cross multiply
    74,831,649.78x = 102,517,644.70 × 72,033,898.16
  4. Step 4: Simplify right side
    74,831,649.78x = 7,384,745,577,922,864
  5. Step 5: Solve for x
    x = 7,384,745,577,922,864/74,831,649.78
  6. Step 6: Final answer
    x = 98,684,789.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.