Home / 102,114,938.49-152,375,970.32-91,109,473.56

Finding the Fourth Proportional to 102,114,938.49, 152,375,970.32 and 91,109,473.56

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Solution

The fourth proportional to 102,114,938.49, 152,375,970.32 and 91,109,473.56 is: 135,953,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,114,938.49 : 152,375,970.32 = 91,109,473.56 : x
  2. Step 2: Convert to fraction form
    102,114,938.49/152,375,970.32 = 91,109,473.56/x
  3. Step 3: Cross multiply
    102,114,938.49x = 152,375,970.32 × 91,109,473.56
  4. Step 4: Simplify right side
    102,114,938.49x = 13,882,894,438,593,838
  5. Step 5: Solve for x
    x = 13,882,894,438,593,838/102,114,938.49
  6. Step 6: Final answer
    x = 135,953,609.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.