Home / 136,009,257.37-187,692,844.75-77,272,025.15

Finding the Fourth Proportional to 136,009,257.37, 187,692,844.75 and 77,272,025.15

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Solution

The fourth proportional to 136,009,257.37, 187,692,844.75 and 77,272,025.15 is: 106,635,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,009,257.37 : 187,692,844.75 = 77,272,025.15 : x
  2. Step 2: Convert to fraction form
    136,009,257.37/187,692,844.75 = 77,272,025.15/x
  3. Step 3: Cross multiply
    136,009,257.37x = 187,692,844.75 × 77,272,025.15
  4. Step 4: Simplify right side
    136,009,257.37x = 14,503,406,220,273,098
  5. Step 5: Solve for x
    x = 14,503,406,220,273,098/136,009,257.37
  6. Step 6: Final answer
    x = 106,635,434.24

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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.