Home / 31,097,169.45-42,913,800.95-17,158,650.57

Finding the Fourth Proportional to 31,097,169.45, 42,913,800.95 and 17,158,650.57

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Solution

The fourth proportional to 31,097,169.45, 42,913,800.95 and 17,158,650.57 is: 23,678,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,097,169.45 : 42,913,800.95 = 17,158,650.57 : x
  2. Step 2: Convert to fraction form
    31,097,169.45/42,913,800.95 = 17,158,650.57/x
  3. Step 3: Cross multiply
    31,097,169.45x = 42,913,800.95 × 17,158,650.57
  4. Step 4: Simplify right side
    31,097,169.45x = 736,342,915,045,790.75
  5. Step 5: Solve for x
    x = 736,342,915,045,790.75/31,097,169.45
  6. Step 6: Final answer
    x = 23,678,776.17

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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.