Home / 147,622,069.80-221,433,104.70-70,926,604.20

Finding the Fourth Proportional to 147,622,069.80, 221,433,104.70 and 70,926,604.20

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Solution

The fourth proportional to 147,622,069.80, 221,433,104.70 and 70,926,604.20 is: 106,389,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,069.80 : 221,433,104.70 = 70,926,604.20 : x
  2. Step 2: Convert to fraction form
    147,622,069.80/221,433,104.70 = 70,926,604.20/x
  3. Step 3: Cross multiply
    147,622,069.80x = 221,433,104.70 × 70,926,604.20
  4. Step 4: Simplify right side
    147,622,069.80x = 15,705,498,173,834,060
  5. Step 5: Solve for x
    x = 15,705,498,173,834,060/147,622,069.80
  6. Step 6: Final answer
    x = 106,389,906.30

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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.