Home / 449,315,521.20-673,973,281.80-108,913,345.20

Finding the Fourth Proportional to 449,315,521.20, 673,973,281.80 and 108,913,345.20

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Solution

The fourth proportional to 449,315,521.20, 673,973,281.80 and 108,913,345.20 is: 163,370,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,315,521.20 : 673,973,281.80 = 108,913,345.20 : x
  2. Step 2: Convert to fraction form
    449,315,521.20/673,973,281.80 = 108,913,345.20/x
  3. Step 3: Cross multiply
    449,315,521.20x = 673,973,281.80 × 108,913,345.20
  4. Step 4: Simplify right side
    449,315,521.20x = 73,404,684,696,260,272
  5. Step 5: Solve for x
    x = 73,404,684,696,260,272/449,315,521.20
  6. Step 6: Final answer
    x = 163,370,017.80

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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.