Home / 70,879,552.20-106,319,328.30-64,821,124.80

Finding the Fourth Proportional to 70,879,552.20, 106,319,328.30 and 64,821,124.80

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Solution

The fourth proportional to 70,879,552.20, 106,319,328.30 and 64,821,124.80 is: 97,231,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,879,552.20 : 106,319,328.30 = 64,821,124.80 : x
  2. Step 2: Convert to fraction form
    70,879,552.20/106,319,328.30 = 64,821,124.80/x
  3. Step 3: Cross multiply
    70,879,552.20x = 106,319,328.30 × 64,821,124.80
  4. Step 4: Simplify right side
    70,879,552.20x = 6,891,738,448,386,471
  5. Step 5: Solve for x
    x = 6,891,738,448,386,471/70,879,552.20
  6. Step 6: Final answer
    x = 97,231,687.20

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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.