Home / 118,101,371.20-177,152,056.80-107,519,790.40

Finding the Fourth Proportional to 118,101,371.20, 177,152,056.80 and 107,519,790.40

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Solution

The fourth proportional to 118,101,371.20, 177,152,056.80 and 107,519,790.40 is: 161,279,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,101,371.20 : 177,152,056.80 = 107,519,790.40 : x
  2. Step 2: Convert to fraction form
    118,101,371.20/177,152,056.80 = 107,519,790.40/x
  3. Step 3: Cross multiply
    118,101,371.20x = 177,152,056.80 × 107,519,790.40
  4. Step 4: Simplify right side
    118,101,371.20x = 19,047,352,016,064,896
  5. Step 5: Solve for x
    x = 19,047,352,016,064,896/118,101,371.20
  6. Step 6: Final answer
    x = 161,279,685.60

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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.