Home / 137,765,899.35-190,116,951.51-75,886,237.92

Finding the Fourth Proportional to 137,765,899.35, 190,116,951.51 and 75,886,237.92

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Solution

The fourth proportional to 137,765,899.35, 190,116,951.51 and 75,886,237.92 is: 104,723,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,899.35 : 190,116,951.51 = 75,886,237.92 : x
  2. Step 2: Convert to fraction form
    137,765,899.35/190,116,951.51 = 75,886,237.92/x
  3. Step 3: Cross multiply
    137,765,899.35x = 190,116,951.51 × 75,886,237.92
  4. Step 4: Simplify right side
    137,765,899.35x = 14,427,260,214,912,962
  5. Step 5: Solve for x
    x = 14,427,260,214,912,962/137,765,899.35
  6. Step 6: Final answer
    x = 104,723,014.06

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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.