Home / 137,765,900.35-190,116,952.89-75,886,238.92

Finding the Fourth Proportional to 137,765,900.35, 190,116,952.89 and 75,886,238.92

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Solution

The fourth proportional to 137,765,900.35, 190,116,952.89 and 75,886,238.92 is: 104,723,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,900.35 : 190,116,952.89 = 75,886,238.92 : x
  2. Step 2: Convert to fraction form
    137,765,900.35/190,116,952.89 = 75,886,238.92/x
  3. Step 3: Cross multiply
    137,765,900.35x = 190,116,952.89 × 75,886,238.92
  4. Step 4: Simplify right side
    137,765,900.35x = 14,427,260,509,752,924
  5. Step 5: Solve for x
    x = 14,427,260,509,752,924/137,765,900.35
  6. Step 6: Final answer
    x = 104,723,015.44

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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.