Home / 165,479,636.40-248,219,454.60-147,623,218.80

Finding the Fourth Proportional to 165,479,636.40, 248,219,454.60 and 147,623,218.80

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Solution

The fourth proportional to 165,479,636.40, 248,219,454.60 and 147,623,218.80 is: 221,434,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,479,636.40 : 248,219,454.60 = 147,623,218.80 : x
  2. Step 2: Convert to fraction form
    165,479,636.40/248,219,454.60 = 147,623,218.80/x
  3. Step 3: Cross multiply
    165,479,636.40x = 248,219,454.60 × 147,623,218.80
  4. Step 4: Simplify right side
    165,479,636.40x = 36,642,954,856,832,472
  5. Step 5: Solve for x
    x = 36,642,954,856,832,472/165,479,636.40
  6. Step 6: Final answer
    x = 221,434,828.20

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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.