Home / 52,156,955.80-78,235,433.70-15,790,891.04

Finding the Fourth Proportional to 52,156,955.80, 78,235,433.70 and 15,790,891.04

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Solution

The fourth proportional to 52,156,955.80, 78,235,433.70 and 15,790,891.04 is: 23,686,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,955.80 : 78,235,433.70 = 15,790,891.04 : x
  2. Step 2: Convert to fraction form
    52,156,955.80/78,235,433.70 = 15,790,891.04/x
  3. Step 3: Cross multiply
    52,156,955.80x = 78,235,433.70 × 15,790,891.04
  4. Step 4: Simplify right side
    52,156,955.80x = 1,235,407,209,023,844
  5. Step 5: Solve for x
    x = 1,235,407,209,023,844/52,156,955.80
  6. Step 6: Final answer
    x = 23,686,336.56

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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.