Home / 50,520,219.80-75,780,329.70-45,418,386.20

Finding the Fourth Proportional to 50,520,219.80, 75,780,329.70 and 45,418,386.20

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Solution

The fourth proportional to 50,520,219.80, 75,780,329.70 and 45,418,386.20 is: 68,127,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,520,219.80 : 75,780,329.70 = 45,418,386.20 : x
  2. Step 2: Convert to fraction form
    50,520,219.80/75,780,329.70 = 45,418,386.20/x
  3. Step 3: Cross multiply
    50,520,219.80x = 75,780,329.70 × 45,418,386.20
  4. Step 4: Simplify right side
    50,520,219.80x = 3,441,820,280,677,930.50
  5. Step 5: Solve for x
    x = 3,441,820,280,677,930.50/50,520,219.80
  6. Step 6: Final answer
    x = 68,127,579.30

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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.