Home / 147,049,688.20-220,574,532.30-82,552,433.80

Finding the Fourth Proportional to 147,049,688.20, 220,574,532.30 and 82,552,433.80

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Solution

The fourth proportional to 147,049,688.20, 220,574,532.30 and 82,552,433.80 is: 123,828,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,049,688.20 : 220,574,532.30 = 82,552,433.80 : x
  2. Step 2: Convert to fraction form
    147,049,688.20/220,574,532.30 = 82,552,433.80/x
  3. Step 3: Cross multiply
    147,049,688.20x = 220,574,532.30 × 82,552,433.80
  4. Step 4: Simplify right side
    147,049,688.20x = 18,208,964,475,661,712
  5. Step 5: Solve for x
    x = 18,208,964,475,661,712/147,049,688.20
  6. Step 6: Final answer
    x = 123,828,650.70

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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.