Home / 137,765,902.84-190,116,956.34-75,886,241.40

Finding the Fourth Proportional to 137,765,902.84, 190,116,956.34 and 75,886,241.40

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Solution

The fourth proportional to 137,765,902.84, 190,116,956.34 and 75,886,241.40 is: 104,723,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,902.84 : 190,116,956.34 = 75,886,241.40 : x
  2. Step 2: Convert to fraction form
    137,765,902.84/190,116,956.34 = 75,886,241.40/x
  3. Step 3: Cross multiply
    137,765,902.84x = 190,116,956.34 × 75,886,241.40
  4. Step 4: Simplify right side
    137,765,902.84x = 14,427,261,243,050,502
  5. Step 5: Solve for x
    x = 14,427,261,243,050,502/137,765,902.84
  6. Step 6: Final answer
    x = 104,723,018.87

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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.