Home / 72,140,998.20-108,282,356.10-35,790,433.80

Finding the Fourth Proportional to 72,140,998.20, 108,282,356.10 and 35,790,433.80

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Solution

The fourth proportional to 72,140,998.20, 108,282,356.10 and 35,790,433.80 is: 53,720,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,140,998.20 : 108,282,356.10 = 35,790,433.80 : x
  2. Step 2: Convert to fraction form
    72,140,998.20/108,282,356.10 = 35,790,433.80/x
  3. Step 3: Cross multiply
    72,140,998.20x = 108,282,356.10 × 35,790,433.80
  4. Step 4: Simplify right side
    72,140,998.20x = 3,875,472,497,705,075.50
  5. Step 5: Solve for x
    x = 3,875,472,497,705,075.50/72,140,998.20
  6. Step 6: Final answer
    x = 53,720,805.01

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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.