Home / 48,493,814.20-72,754,368.18-21,202,503.64

Finding the Fourth Proportional to 48,493,814.20, 72,754,368.18 and 21,202,503.64

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Solution

The fourth proportional to 48,493,814.20, 72,754,368.18 and 21,202,503.64 is: 31,809,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493,814.20 : 72,754,368.18 = 21,202,503.64 : x
  2. Step 2: Convert to fraction form
    48,493,814.20/72,754,368.18 = 21,202,503.64/x
  3. Step 3: Cross multiply
    48,493,814.20x = 72,754,368.18 × 21,202,503.64
  4. Step 4: Simplify right side
    48,493,814.20x = 1,542,574,756,162,350.25
  5. Step 5: Solve for x
    x = 1,542,574,756,162,350.25/48,493,814.20
  6. Step 6: Final answer
    x = 31,809,722.16

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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.