Home / 165,479,637.40-248,219,456.10-147,623,219.80

Finding the Fourth Proportional to 165,479,637.40, 248,219,456.10 and 147,623,219.80

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Solution

The fourth proportional to 165,479,637.40, 248,219,456.10 and 147,623,219.80 is: 221,434,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,479,637.40 : 248,219,456.10 = 147,623,219.80 : x
  2. Step 2: Convert to fraction form
    165,479,637.40/248,219,456.10 = 147,623,219.80/x
  3. Step 3: Cross multiply
    165,479,637.40x = 248,219,456.10 × 147,623,219.80
  4. Step 4: Simplify right side
    165,479,637.40x = 36,642,955,326,486,752
  5. Step 5: Solve for x
    x = 36,642,955,326,486,752/165,479,637.40
  6. Step 6: Final answer
    x = 221,434,829.70

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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.