Home / 50,688,017.20-76,032,025.80-30,482,858.80

Finding the Fourth Proportional to 50,688,017.20, 76,032,025.80 and 30,482,858.80

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Solution

The fourth proportional to 50,688,017.20, 76,032,025.80 and 30,482,858.80 is: 45,724,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,017.20 : 76,032,025.80 = 30,482,858.80 : x
  2. Step 2: Convert to fraction form
    50,688,017.20/76,032,025.80 = 30,482,858.80/x
  3. Step 3: Cross multiply
    50,688,017.20x = 76,032,025.80 × 30,482,858.80
  4. Step 4: Simplify right side
    50,688,017.20x = 2,317,673,506,739,357
  5. Step 5: Solve for x
    x = 2,317,673,506,739,357/50,688,017.20
  6. Step 6: Final answer
    x = 45,724,288.20

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Similar ratio
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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.