Home / 64,368,240.12-96,543,269.55-20,643,316.85

Finding the Fourth Proportional to 64,368,240.12, 96,543,269.55 and 20,643,316.85

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Solution

The fourth proportional to 64,368,240.12, 96,543,269.55 and 20,643,316.85 is: 30,962,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368,240.12 : 96,543,269.55 = 20,643,316.85 : x
  2. Step 2: Convert to fraction form
    64,368,240.12/96,543,269.55 = 20,643,316.85/x
  3. Step 3: Cross multiply
    64,368,240.12x = 96,543,269.55 × 20,643,316.85
  4. Step 4: Simplify right side
    64,368,240.12x = 1,992,973,303,296,965
  5. Step 5: Solve for x
    x = 1,992,973,303,296,965/64,368,240.12
  6. Step 6: Final answer
    x = 30,962,059.85

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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.