Home / 90,576,246.20-135,872,663.70-36,712,412.60

Finding the Fourth Proportional to 90,576,246.20, 135,872,663.70 and 36,712,412.60

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Solution

The fourth proportional to 90,576,246.20, 135,872,663.70 and 36,712,412.60 is: 55,071,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576,246.20 : 135,872,663.70 = 36,712,412.60 : x
  2. Step 2: Convert to fraction form
    90,576,246.20/135,872,663.70 = 36,712,412.60/x
  3. Step 3: Cross multiply
    90,576,246.20x = 135,872,663.70 × 36,712,412.60
  4. Step 4: Simplify right side
    90,576,246.20x = 4,988,213,290,815,442
  5. Step 5: Solve for x
    x = 4,988,213,290,815,442/90,576,246.20
  6. Step 6: Final answer
    x = 55,071,980.79

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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.