Home / 90,795,769.40-136,193,654.10-43,020,025.40

Finding the Fourth Proportional to 90,795,769.40, 136,193,654.10 and 43,020,025.40

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Solution

The fourth proportional to 90,795,769.40, 136,193,654.10 and 43,020,025.40 is: 64,530,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795,769.40 : 136,193,654.10 = 43,020,025.40 : x
  2. Step 2: Convert to fraction form
    90,795,769.40/136,193,654.10 = 43,020,025.40/x
  3. Step 3: Cross multiply
    90,795,769.40x = 136,193,654.10 × 43,020,025.40
  4. Step 4: Simplify right side
    90,795,769.40x = 5,859,054,458,700,814
  5. Step 5: Solve for x
    x = 5,859,054,458,700,814/90,795,769.40
  6. Step 6: Final answer
    x = 64,530,038.10

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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.