Home / 72,609,940.10-100,201,719.38-40,014,892.10

Finding the Fourth Proportional to 72,609,940.10, 100,201,719.38 and 40,014,892.10

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Solution

The fourth proportional to 72,609,940.10, 100,201,719.38 and 40,014,892.10 is: 55,220,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,940.10 : 100,201,719.38 = 40,014,892.10 : x
  2. Step 2: Convert to fraction form
    72,609,940.10/100,201,719.38 = 40,014,892.10/x
  3. Step 3: Cross multiply
    72,609,940.10x = 100,201,719.38 × 40,014,892.10
  4. Step 4: Simplify right side
    72,609,940.10x = 4,009,560,989,225,179
  5. Step 5: Solve for x
    x = 4,009,560,989,225,179/72,609,940.10
  6. Step 6: Final answer
    x = 55,220,552.22

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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.