Home / 112,323,181.60-168,484,772.40-54,852,320.80

Finding the Fourth Proportional to 112,323,181.60, 168,484,772.40 and 54,852,320.80

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Solution

The fourth proportional to 112,323,181.60, 168,484,772.40 and 54,852,320.80 is: 82,278,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,323,181.60 : 168,484,772.40 = 54,852,320.80 : x
  2. Step 2: Convert to fraction form
    112,323,181.60/168,484,772.40 = 54,852,320.80/x
  3. Step 3: Cross multiply
    112,323,181.60x = 168,484,772.40 × 54,852,320.80
  4. Step 4: Simplify right side
    112,323,181.60x = 9,241,780,785,599,786
  5. Step 5: Solve for x
    x = 9,241,780,785,599,786/112,323,181.60
  6. Step 6: Final answer
    x = 82,278,481.20

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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.