Home / 52,822,471.36-72,888,276.20-30,790,458.40

Finding the Fourth Proportional to 52,822,471.36, 72,888,276.20 and 30,790,458.40

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Solution

The fourth proportional to 52,822,471.36, 72,888,276.20 and 30,790,458.40 is: 42,486,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,822,471.36 : 72,888,276.20 = 30,790,458.40 : x
  2. Step 2: Convert to fraction form
    52,822,471.36/72,888,276.20 = 30,790,458.40/x
  3. Step 3: Cross multiply
    52,822,471.36x = 72,888,276.20 × 30,790,458.40
  4. Step 4: Simplify right side
    52,822,471.36x = 2,244,263,436,183,810
  5. Step 5: Solve for x
    x = 2,244,263,436,183,810/52,822,471.36
  6. Step 6: Final answer
    x = 42,486,907.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.