Home / 51,247,470.30-70,720,907.67-28,042,331.10

Finding the Fourth Proportional to 51,247,470.30, 70,720,907.67 and 28,042,331.10

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Solution

The fourth proportional to 51,247,470.30, 70,720,907.67 and 28,042,331.10 is: 38,698,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247,470.30 : 70,720,907.67 = 28,042,331.10 : x
  2. Step 2: Convert to fraction form
    51,247,470.30/70,720,907.67 = 28,042,331.10/x
  3. Step 3: Cross multiply
    51,247,470.30x = 70,720,907.67 × 28,042,331.10
  4. Step 4: Simplify right side
    51,247,470.30x = 1,983,179,108,574,669.75
  5. Step 5: Solve for x
    x = 1,983,179,108,574,669.75/51,247,470.30
  6. Step 6: Final answer
    x = 38,698,087.87

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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.