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Finding the Fourth Proportional to 88,139,259.45, 132,208,889.18 and 88,139,259.45

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Solution

The fourth proportional to 88,139,259.45, 132,208,889.18 and 88,139,259.45 is: 132,208,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,139,259.45 : 132,208,889.18 = 88,139,259.45 : x
  2. Step 2: Convert to fraction form
    88,139,259.45/132,208,889.18 = 88,139,259.45/x
  3. Step 3: Cross multiply
    88,139,259.45x = 132,208,889.18 × 88,139,259.45
  4. Step 4: Simplify right side
    88,139,259.45x = 11,652,793,584,591,622
  5. Step 5: Solve for x
    x = 11,652,793,584,591,622/88,139,259.45
  6. Step 6: Final answer
    x = 132,208,889.18

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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.