Home / 147,844,786-221,788,018.68-45,617,135.44

Finding the Fourth Proportional to 147,844,786, 221,788,018.68 and 45,617,135.44

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Solution

The fourth proportional to 147,844,786, 221,788,018.68 and 45,617,135.44 is: 68,432,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,844,786 : 221,788,018.68 = 45,617,135.44 : x
  2. Step 2: Convert to fraction form
    147,844,786/221,788,018.68 = 45,617,135.44/x
  3. Step 3: Cross multiply
    147,844,786x = 221,788,018.68 × 45,617,135.44
  4. Step 4: Simplify right side
    147,844,786x = 10,117,334,087,094,810
  5. Step 5: Solve for x
    x = 10,117,334,087,094,810/147,844,786
  6. Step 6: Final answer
    x = 68,432,133.19

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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.