Home / 147,968,014.40-221,952,021.60-76,304,398.40

Finding the Fourth Proportional to 147,968,014.40, 221,952,021.60 and 76,304,398.40

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Solution

The fourth proportional to 147,968,014.40, 221,952,021.60 and 76,304,398.40 is: 114,456,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,968,014.40 : 221,952,021.60 = 76,304,398.40 : x
  2. Step 2: Convert to fraction form
    147,968,014.40/221,952,021.60 = 76,304,398.40/x
  3. Step 3: Cross multiply
    147,968,014.40x = 221,952,021.60 × 76,304,398.40
  4. Step 4: Simplify right side
    147,968,014.40x = 16,935,915,481,851,806
  5. Step 5: Solve for x
    x = 16,935,915,481,851,806/147,968,014.40
  6. Step 6: Final answer
    x = 114,456,597.60

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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.