Home / 126,029,485.40-189,044,228.10-39,776,611.10

Finding the Fourth Proportional to 126,029,485.40, 189,044,228.10 and 39,776,611.10

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Solution

The fourth proportional to 126,029,485.40, 189,044,228.10 and 39,776,611.10 is: 59,664,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,485.40 : 189,044,228.10 = 39,776,611.10 : x
  2. Step 2: Convert to fraction form
    126,029,485.40/189,044,228.10 = 39,776,611.10/x
  3. Step 3: Cross multiply
    126,029,485.40x = 189,044,228.10 × 39,776,611.10
  4. Step 4: Simplify right side
    126,029,485.40x = 7,519,538,741,833,392
  5. Step 5: Solve for x
    x = 7,519,538,741,833,392/126,029,485.40
  6. Step 6: Final answer
    x = 59,664,916.65

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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.