Home / 147,968,000.90-221,952,001.35-76,304,384.90

Finding the Fourth Proportional to 147,968,000.90, 221,952,001.35 and 76,304,384.90

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Solution

The fourth proportional to 147,968,000.90, 221,952,001.35 and 76,304,384.90 is: 114,456,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,968,000.90 : 221,952,001.35 = 76,304,384.90 : x
  2. Step 2: Convert to fraction form
    147,968,000.90/221,952,001.35 = 76,304,384.90/x
  3. Step 3: Cross multiply
    147,968,000.90x = 221,952,001.35 × 76,304,384.90
  4. Step 4: Simplify right side
    147,968,000.90x = 16,935,910,940,335,720
  5. Step 5: Solve for x
    x = 16,935,910,940,335,720/147,968,000.90
  6. Step 6: Final answer
    x = 114,456,577.35

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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.