Home / 52,156,953.80-78,235,430.70-15,790,889.04

Finding the Fourth Proportional to 52,156,953.80, 78,235,430.70 and 15,790,889.04

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Solution

The fourth proportional to 52,156,953.80, 78,235,430.70 and 15,790,889.04 is: 23,686,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,953.80 : 78,235,430.70 = 15,790,889.04 : x
  2. Step 2: Convert to fraction form
    52,156,953.80/78,235,430.70 = 15,790,889.04/x
  3. Step 3: Cross multiply
    52,156,953.80x = 78,235,430.70 × 15,790,889.04
  4. Step 4: Simplify right side
    52,156,953.80x = 1,235,407,005,180,309.50
  5. Step 5: Solve for x
    x = 1,235,407,005,180,309.50/52,156,953.80
  6. Step 6: Final answer
    x = 23,686,333.56

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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.