Home / 136,690,325.89-188,633,149.72-73,966,424.40

Finding the Fourth Proportional to 136,690,325.89, 188,633,149.72 and 73,966,424.40

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Solution

The fourth proportional to 136,690,325.89, 188,633,149.72 and 73,966,424.40 is: 102,073,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,690,325.89 : 188,633,149.72 = 73,966,424.40 : x
  2. Step 2: Convert to fraction form
    136,690,325.89/188,633,149.72 = 73,966,424.40/x
  3. Step 3: Cross multiply
    136,690,325.89x = 188,633,149.72 × 73,966,424.40
  4. Step 4: Simplify right side
    136,690,325.89x = 13,952,519,607,913,346
  5. Step 5: Solve for x
    x = 13,952,519,607,913,346/136,690,325.89
  6. Step 6: Final answer
    x = 102,073,936.23

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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.