Home / 147,743,119.80-221,614,679.70-45,493,871.40

Finding the Fourth Proportional to 147,743,119.80, 221,614,679.70 and 45,493,871.40

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Solution

The fourth proportional to 147,743,119.80, 221,614,679.70 and 45,493,871.40 is: 68,240,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,119.80 : 221,614,679.70 = 45,493,871.40 : x
  2. Step 2: Convert to fraction form
    147,743,119.80/221,614,679.70 = 45,493,871.40/x
  3. Step 3: Cross multiply
    147,743,119.80x = 221,614,679.70 × 45,493,871.40
  4. Step 4: Simplify right side
    147,743,119.80x = 10,082,109,738,623,990
  5. Step 5: Solve for x
    x = 10,082,109,738,623,990/147,743,119.80
  6. Step 6: Final answer
    x = 68,240,807.10

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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.