Home / 30,758,810.80-46,138,216.20-30,280,513.90

Finding the Fourth Proportional to 30,758,810.80, 46,138,216.20 and 30,280,513.90

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Solution

The fourth proportional to 30,758,810.80, 46,138,216.20 and 30,280,513.90 is: 45,420,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758,810.80 : 46,138,216.20 = 30,280,513.90 : x
  2. Step 2: Convert to fraction form
    30,758,810.80/46,138,216.20 = 30,280,513.90/x
  3. Step 3: Cross multiply
    30,758,810.80x = 46,138,216.20 × 30,280,513.90
  4. Step 4: Simplify right side
    30,758,810.80x = 1,397,088,896,965,305.25
  5. Step 5: Solve for x
    x = 1,397,088,896,965,305.25/30,758,810.80
  6. Step 6: Final answer
    x = 45,420,770.85

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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.