Home / 65,567,643.20-98,351,464.80-46,420,020.80

Finding the Fourth Proportional to 65,567,643.20, 98,351,464.80 and 46,420,020.80

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Solution

The fourth proportional to 65,567,643.20, 98,351,464.80 and 46,420,020.80 is: 69,630,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,567,643.20 : 98,351,464.80 = 46,420,020.80 : x
  2. Step 2: Convert to fraction form
    65,567,643.20/98,351,464.80 = 46,420,020.80/x
  3. Step 3: Cross multiply
    65,567,643.20x = 98,351,464.80 × 46,420,020.80
  4. Step 4: Simplify right side
    65,567,643.20x = 4,565,477,041,726,467
  5. Step 5: Solve for x
    x = 4,565,477,041,726,467/65,567,643.20
  6. Step 6: Final answer
    x = 69,630,031.20

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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.