Home / 97,805,912.10-146,708,868.15-90,415,601.70

Finding the Fourth Proportional to 97,805,912.10, 146,708,868.15 and 90,415,601.70

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Solution

The fourth proportional to 97,805,912.10, 146,708,868.15 and 90,415,601.70 is: 135,623,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,805,912.10 : 146,708,868.15 = 90,415,601.70 : x
  2. Step 2: Convert to fraction form
    97,805,912.10/146,708,868.15 = 90,415,601.70/x
  3. Step 3: Cross multiply
    97,805,912.10x = 146,708,868.15 × 90,415,601.70
  4. Step 4: Simplify right side
    97,805,912.10x = 13,264,770,588,508,216
  5. Step 5: Solve for x
    x = 13,264,770,588,508,216/97,805,912.10
  6. Step 6: Final answer
    x = 135,623,402.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.