Home / 124,538,091.84-186,807,142.08-90,674,933.76

Finding the Fourth Proportional to 124,538,091.84, 186,807,142.08 and 90,674,933.76

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Solution

The fourth proportional to 124,538,091.84, 186,807,142.08 and 90,674,933.76 is: 136,012,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,538,091.84 : 186,807,142.08 = 90,674,933.76 : x
  2. Step 2: Convert to fraction form
    124,538,091.84/186,807,142.08 = 90,674,933.76/x
  3. Step 3: Cross multiply
    124,538,091.84x = 186,807,142.08 × 90,674,933.76
  4. Step 4: Simplify right side
    124,538,091.84x = 16,938,725,233,998,910
  5. Step 5: Solve for x
    x = 16,938,725,233,998,910/124,538,091.84
  6. Step 6: Final answer
    x = 136,012,403.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.