Home / 48,278,311.90-72,417,467.85-46,420,366.30

Finding the Fourth Proportional to 48,278,311.90, 72,417,467.85 and 46,420,366.30

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Solution

The fourth proportional to 48,278,311.90, 72,417,467.85 and 46,420,366.30 is: 69,630,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278,311.90 : 72,417,467.85 = 46,420,366.30 : x
  2. Step 2: Convert to fraction form
    48,278,311.90/72,417,467.85 = 46,420,366.30/x
  3. Step 3: Cross multiply
    48,278,311.90x = 72,417,467.85 × 46,420,366.30
  4. Step 4: Simplify right side
    48,278,311.90x = 3,361,645,384,115,473
  5. Step 5: Solve for x
    x = 3,361,645,384,115,473/48,278,311.90
  6. Step 6: Final answer
    x = 69,630,549.45

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1.5x scale

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.