Home / 268,734,559.30-402,803,240.55-147,652,908.10

Finding the Fourth Proportional to 268,734,559.30, 402,803,240.55 and 147,652,908.10

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Solution

The fourth proportional to 268,734,559.30, 402,803,240.55 and 147,652,908.10 is: 221,315,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,734,559.30 : 402,803,240.55 = 147,652,908.10 : x
  2. Step 2: Convert to fraction form
    268,734,559.30/402,803,240.55 = 147,652,908.10/x
  3. Step 3: Cross multiply
    268,734,559.30x = 402,803,240.55 × 147,652,908.10
  4. Step 4: Simplify right side
    268,734,559.30x = 59,475,069,859,311,344
  5. Step 5: Solve for x
    x = 59,475,069,859,311,344/268,734,559.30
  6. Step 6: Final answer
    x = 221,315,300.92

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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.