Home / 73,869,409.56-101,938,007.09-40,377,385.73

Finding the Fourth Proportional to 73,869,409.56, 101,938,007.09 and 40,377,385.73

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Solution

The fourth proportional to 73,869,409.56, 101,938,007.09 and 40,377,385.73 is: 55,719,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,869,409.56 : 101,938,007.09 = 40,377,385.73 : x
  2. Step 2: Convert to fraction form
    73,869,409.56/101,938,007.09 = 40,377,385.73/x
  3. Step 3: Cross multiply
    73,869,409.56x = 101,938,007.09 × 40,377,385.73
  4. Step 4: Simplify right side
    73,869,409.56x = 4,115,990,232,108,827.50
  5. Step 5: Solve for x
    x = 4,115,990,232,108,827.50/73,869,409.56
  6. Step 6: Final answer
    x = 55,719,820.38

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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.