Home / 90,609,779.34-135,859,043.81-35,212,930.67

Finding the Fourth Proportional to 90,609,779.34, 135,859,043.81 and 35,212,930.67

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Solution

The fourth proportional to 90,609,779.34, 135,859,043.81 and 35,212,930.67 is: 52,797,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,609,779.34 : 135,859,043.81 = 35,212,930.67 : x
  2. Step 2: Convert to fraction form
    90,609,779.34/135,859,043.81 = 35,212,930.67/x
  3. Step 3: Cross multiply
    90,609,779.34x = 135,859,043.81 × 35,212,930.67
  4. Step 4: Simplify right side
    90,609,779.34x = 4,783,995,091,001,703
  5. Step 5: Solve for x
    x = 4,783,995,091,001,703/90,609,779.34
  6. Step 6: Final answer
    x = 52,797,778.85

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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.