Home / 137,846,807.54-190,228,624.64-75,122,920.36

Finding the Fourth Proportional to 137,846,807.54, 190,228,624.64 and 75,122,920.36

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Solution

The fourth proportional to 137,846,807.54, 190,228,624.64 and 75,122,920.36 is: 103,669,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,846,807.54 : 190,228,624.64 = 75,122,920.36 : x
  2. Step 2: Convert to fraction form
    137,846,807.54/190,228,624.64 = 75,122,920.36/x
  3. Step 3: Cross multiply
    137,846,807.54x = 190,228,624.64 × 75,122,920.36
  4. Step 4: Simplify right side
    137,846,807.54x = 14,290,529,819,166,934
  5. Step 5: Solve for x
    x = 14,290,529,819,166,934/137,846,807.54
  6. Step 6: Final answer
    x = 103,669,646.58

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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.