Home / 64,470,417.20-96,705,625.80-21,920,145.20

Finding the Fourth Proportional to 64,470,417.20, 96,705,625.80 and 21,920,145.20

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Solution

The fourth proportional to 64,470,417.20, 96,705,625.80 and 21,920,145.20 is: 32,880,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,470,417.20 : 96,705,625.80 = 21,920,145.20 : x
  2. Step 2: Convert to fraction form
    64,470,417.20/96,705,625.80 = 21,920,145.20/x
  3. Step 3: Cross multiply
    64,470,417.20x = 96,705,625.80 × 21,920,145.20
  4. Step 4: Simplify right side
    64,470,417.20x = 2,119,801,359,192,866
  5. Step 5: Solve for x
    x = 2,119,801,359,192,866/64,470,417.20
  6. Step 6: Final answer
    x = 32,880,217.80

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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.