Home / 163,728,049.60-245,592,074.40-66,633,778.90

Finding the Fourth Proportional to 163,728,049.60, 245,592,074.40 and 66,633,778.90

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Solution

The fourth proportional to 163,728,049.60, 245,592,074.40 and 66,633,778.90 is: 99,950,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,728,049.60 : 245,592,074.40 = 66,633,778.90 : x
  2. Step 2: Convert to fraction form
    163,728,049.60/245,592,074.40 = 66,633,778.90/x
  3. Step 3: Cross multiply
    163,728,049.60x = 245,592,074.40 × 66,633,778.90
  4. Step 4: Simplify right side
    163,728,049.60x = 16,364,727,985,161,950
  5. Step 5: Solve for x
    x = 16,364,727,985,161,950/163,728,049.60
  6. Step 6: Final answer
    x = 99,950,668.35

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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.