Home / 90,921,785.50-136,383,859.23-30,337,511.50

Finding the Fourth Proportional to 90,921,785.50, 136,383,859.23 and 30,337,511.50

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Solution

The fourth proportional to 90,921,785.50, 136,383,859.23 and 30,337,511.50 is: 45,506,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,921,785.50 : 136,383,859.23 = 30,337,511.50 : x
  2. Step 2: Convert to fraction form
    90,921,785.50/136,383,859.23 = 30,337,511.50/x
  3. Step 3: Cross multiply
    90,921,785.50x = 136,383,859.23 × 30,337,511.50
  4. Step 4: Simplify right side
    90,921,785.50x = 4,137,546,897,804,506
  5. Step 5: Solve for x
    x = 4,137,546,897,804,506/90,921,785.50
  6. Step 6: Final answer
    x = 45,506,661.30

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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.