Home / 149,996,877.96-207,003,728.72-83,913,434.04

Finding the Fourth Proportional to 149,996,877.96, 207,003,728.72 and 83,913,434.04

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Solution

The fourth proportional to 149,996,877.96, 207,003,728.72 and 83,913,434.04 is: 115,805,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,996,877.96 : 207,003,728.72 = 83,913,434.04 : x
  2. Step 2: Convert to fraction form
    149,996,877.96/207,003,728.72 = 83,913,434.04/x
  3. Step 3: Cross multiply
    149,996,877.96x = 207,003,728.72 × 83,913,434.04
  4. Step 4: Simplify right side
    149,996,877.96x = 17,370,393,735,979,774
  5. Step 5: Solve for x
    x = 17,370,393,735,979,774/149,996,877.96
  6. Step 6: Final answer
    x = 115,805,035.23

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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.