Home / 102,300,765.20-153,451,147.80-61,486,096.40

Finding the Fourth Proportional to 102,300,765.20, 153,451,147.80 and 61,486,096.40

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Solution

The fourth proportional to 102,300,765.20, 153,451,147.80 and 61,486,096.40 is: 92,229,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,300,765.20 : 153,451,147.80 = 61,486,096.40 : x
  2. Step 2: Convert to fraction form
    102,300,765.20/153,451,147.80 = 61,486,096.40/x
  3. Step 3: Cross multiply
    102,300,765.20x = 153,451,147.80 × 61,486,096.40
  4. Step 4: Simplify right side
    102,300,765.20x = 9,435,112,066,321,448
  5. Step 5: Solve for x
    x = 9,435,112,066,321,448/102,300,765.20
  6. Step 6: Final answer
    x = 92,229,144.60

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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.