Home / 47,317,910.40-70,937,499.60-20,045,145.60

Finding the Fourth Proportional to 47,317,910.40, 70,937,499.60 and 20,045,145.60

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Solution

The fourth proportional to 47,317,910.40, 70,937,499.60 and 20,045,145.60 is: 30,051,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,317,910.40 : 70,937,499.60 = 20,045,145.60 : x
  2. Step 2: Convert to fraction form
    47,317,910.40/70,937,499.60 = 20,045,145.60/x
  3. Step 3: Cross multiply
    47,317,910.40x = 70,937,499.60 × 20,045,145.60
  4. Step 4: Simplify right side
    47,317,910.40x = 1,421,952,507,981,941.75
  5. Step 5: Solve for x
    x = 1,421,952,507,981,941.75/47,317,910.40
  6. Step 6: Final answer
    x = 30,051,041.90

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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.