Home / 52,110,639.08-78,143,149.02-21,384,137.96

Finding the Fourth Proportional to 52,110,639.08, 78,143,149.02 and 21,384,137.96

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Solution

The fourth proportional to 52,110,639.08, 78,143,149.02 and 21,384,137.96 is: 32,066,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110,639.08 : 78,143,149.02 = 21,384,137.96 : x
  2. Step 2: Convert to fraction form
    52,110,639.08/78,143,149.02 = 21,384,137.96/x
  3. Step 3: Cross multiply
    52,110,639.08x = 78,143,149.02 × 21,384,137.96
  4. Step 4: Simplify right side
    52,110,639.08x = 1,671,023,879,272,518.75
  5. Step 5: Solve for x
    x = 1,671,023,879,272,518.75/52,110,639.08
  6. Step 6: Final answer
    x = 32,066,846.79

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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.