Home / 140,451,314.40-210,676,971.60-123,445,202.40

Finding the Fourth Proportional to 140,451,314.40, 210,676,971.60 and 123,445,202.40

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Solution

The fourth proportional to 140,451,314.40, 210,676,971.60 and 123,445,202.40 is: 185,167,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,451,314.40 : 210,676,971.60 = 123,445,202.40 : x
  2. Step 2: Convert to fraction form
    140,451,314.40/210,676,971.60 = 123,445,202.40/x
  3. Step 3: Cross multiply
    140,451,314.40x = 210,676,971.60 × 123,445,202.40
  4. Step 4: Simplify right side
    140,451,314.40x = 26,007,061,400,181,052
  5. Step 5: Solve for x
    x = 26,007,061,400,181,052/140,451,314.40
  6. Step 6: Final answer
    x = 185,167,803.60

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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.