Home / 118,321,436.88-178,289,786.30-97,228,543.59

Finding the Fourth Proportional to 118,321,436.88, 178,289,786.30 and 97,228,543.59

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Solution

The fourth proportional to 118,321,436.88, 178,289,786.30 and 97,228,543.59 is: 146,506,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,321,436.88 : 178,289,786.30 = 97,228,543.59 : x
  2. Step 2: Convert to fraction form
    118,321,436.88/178,289,786.30 = 97,228,543.59/x
  3. Step 3: Cross multiply
    118,321,436.88x = 178,289,786.30 × 97,228,543.59
  4. Step 4: Simplify right side
    118,321,436.88x = 17,334,856,258,435,192
  5. Step 5: Solve for x
    x = 17,334,856,258,435,192/118,321,436.88
  6. Step 6: Final answer
    x = 146,506,471.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.