Home / 135,174,013.11-186,543,806.03-76,445,460.45

Finding the Fourth Proportional to 135,174,013.11, 186,543,806.03 and 76,445,460.45

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Solution

The fourth proportional to 135,174,013.11, 186,543,806.03 and 76,445,460.45 is: 105,496,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,174,013.11 : 186,543,806.03 = 76,445,460.45 : x
  2. Step 2: Convert to fraction form
    135,174,013.11/186,543,806.03 = 76,445,460.45/x
  3. Step 3: Cross multiply
    135,174,013.11x = 186,543,806.03 × 76,445,460.45
  4. Step 4: Simplify right side
    135,174,013.11x = 14,260,427,145,317,230
  5. Step 5: Solve for x
    x = 14,260,427,145,317,230/135,174,013.11
  6. Step 6: Final answer
    x = 105,496,809.76

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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.