Home / 168,201,237.60-252,115,232.40-65,931,285.60

Finding the Fourth Proportional to 168,201,237.60, 252,115,232.40 and 65,931,285.60

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Solution

The fourth proportional to 168,201,237.60, 252,115,232.40 and 65,931,285.60 is: 98,823,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,201,237.60 : 252,115,232.40 = 65,931,285.60 : x
  2. Step 2: Convert to fraction form
    168,201,237.60/252,115,232.40 = 65,931,285.60/x
  3. Step 3: Cross multiply
    168,201,237.60x = 252,115,232.40 × 65,931,285.60
  4. Step 4: Simplify right side
    168,201,237.60x = 16,622,281,391,474,774
  5. Step 5: Solve for x
    x = 16,622,281,391,474,774/168,201,237.60
  6. Step 6: Final answer
    x = 98,823,775.79

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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.