Home / 48,278,312.40-72,417,468.60-46,420,366.80

Finding the Fourth Proportional to 48,278,312.40, 72,417,468.60 and 46,420,366.80

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Solution

The fourth proportional to 48,278,312.40, 72,417,468.60 and 46,420,366.80 is: 69,630,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278,312.40 : 72,417,468.60 = 46,420,366.80 : x
  2. Step 2: Convert to fraction form
    48,278,312.40/72,417,468.60 = 46,420,366.80/x
  3. Step 3: Cross multiply
    48,278,312.40x = 72,417,468.60 × 46,420,366.80
  4. Step 4: Simplify right side
    48,278,312.40x = 3,361,645,455,139,482
  5. Step 5: Solve for x
    x = 3,361,645,455,139,482/48,278,312.40
  6. Step 6: Final answer
    x = 69,630,550.20

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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.