Home / 73,869,407.09-101,938,003.69-40,377,383.25

Finding the Fourth Proportional to 73,869,407.09, 101,938,003.69 and 40,377,383.25

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Solution

The fourth proportional to 73,869,407.09, 101,938,003.69 and 40,377,383.25 is: 55,719,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,869,407.09 : 101,938,003.69 = 40,377,383.25 : x
  2. Step 2: Convert to fraction form
    73,869,407.09/101,938,003.69 = 40,377,383.25/x
  3. Step 3: Cross multiply
    73,869,407.09x = 101,938,003.69 × 40,377,383.25
  4. Step 4: Simplify right side
    73,869,407.09x = 4,115,989,842,731,044
  5. Step 5: Solve for x
    x = 4,115,989,842,731,044/73,869,407.09
  6. Step 6: Final answer
    x = 55,719,816.97

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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.