Home / 121,860,596.80-182,674,384.80-45,163,057.60

Finding the Fourth Proportional to 121,860,596.80, 182,674,384.80 and 45,163,057.60

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Solution

The fourth proportional to 121,860,596.80, 182,674,384.80 and 45,163,057.60 is: 67,701,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,860,596.80 : 182,674,384.80 = 45,163,057.60 : x
  2. Step 2: Convert to fraction form
    121,860,596.80/182,674,384.80 = 45,163,057.60/x
  3. Step 3: Cross multiply
    121,860,596.80x = 182,674,384.80 × 45,163,057.60
  4. Step 4: Simplify right side
    121,860,596.80x = 8,250,133,762,766,965
  5. Step 5: Solve for x
    x = 8,250,133,762,766,965/121,860,596.80
  6. Step 6: Final answer
    x = 67,701,406.19

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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.