Home / 136,262,077-188,043,649.31-77,523,477.91

Finding the Fourth Proportional to 136,262,077, 188,043,649.31 and 77,523,477.91

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Solution

The fourth proportional to 136,262,077, 188,043,649.31 and 77,523,477.91 is: 106,983,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,262,077 : 188,043,649.31 = 77,523,477.91 : x
  2. Step 2: Convert to fraction form
    136,262,077/188,043,649.31 = 77,523,477.91/x
  3. Step 3: Cross multiply
    136,262,077x = 188,043,649.31 × 77,523,477.91
  4. Step 4: Simplify right side
    136,262,077x = 14,577,797,693,399,572
  5. Step 5: Solve for x
    x = 14,577,797,693,399,572/136,262,077
  6. Step 6: Final answer
    x = 106,983,527.73

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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.