Home / 49,155,193.80-73,750,505.40-20,421,950.40

Finding the Fourth Proportional to 49,155,193.80, 73,750,505.40 and 20,421,950.40

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Solution

The fourth proportional to 49,155,193.80, 73,750,505.40 and 20,421,950.40 is: 30,640,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,155,193.80 : 73,750,505.40 = 20,421,950.40 : x
  2. Step 2: Convert to fraction form
    49,155,193.80/73,750,505.40 = 20,421,950.40/x
  3. Step 3: Cross multiply
    49,155,193.80x = 73,750,505.40 × 20,421,950.40
  4. Step 4: Simplify right side
    49,155,193.80x = 1,506,129,163,253,732.25
  5. Step 5: Solve for x
    x = 1,506,129,163,253,732.25/49,155,193.80
  6. Step 6: Final answer
    x = 30,640,285.33

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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.