Home / 137,803,055.74-206,744,939.61-40,761,347.54

Finding the Fourth Proportional to 137,803,055.74, 206,744,939.61 and 40,761,347.54

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Solution

The fourth proportional to 137,803,055.74, 206,744,939.61 and 40,761,347.54 is: 61,153,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,803,055.74 : 206,744,939.61 = 40,761,347.54 : x
  2. Step 2: Convert to fraction form
    137,803,055.74/206,744,939.61 = 40,761,347.54/x
  3. Step 3: Cross multiply
    137,803,055.74x = 206,744,939.61 × 40,761,347.54
  4. Step 4: Simplify right side
    137,803,055.74x = 8,427,202,335,203,594
  5. Step 5: Solve for x
    x = 8,427,202,335,203,594/137,803,055.74
  6. Step 6: Final answer
    x = 61,153,958.38

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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.