Home / 354,400,311.60-531,441,035.10-135,978,060.60

Finding the Fourth Proportional to 354,400,311.60, 531,441,035.10 and 135,978,060.60

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Solution

The fourth proportional to 354,400,311.60, 531,441,035.10 and 135,978,060.60 is: 203,905,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,400,311.60 : 531,441,035.10 = 135,978,060.60 : x
  2. Step 2: Convert to fraction form
    354,400,311.60/531,441,035.10 = 135,978,060.60/x
  3. Step 3: Cross multiply
    354,400,311.60x = 531,441,035.10 × 135,978,060.60
  4. Step 4: Simplify right side
    354,400,311.60x = 72,264,321,276,154,528
  5. Step 5: Solve for x
    x = 72,264,321,276,154,528/354,400,311.60
  6. Step 6: Final answer
    x = 203,905,919.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.