Home / 73,778,822.80-110,668,234.20-72,771,053.20

Finding the Fourth Proportional to 73,778,822.80, 110,668,234.20 and 72,771,053.20

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Solution

The fourth proportional to 73,778,822.80, 110,668,234.20 and 72,771,053.20 is: 109,156,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778,822.80 : 110,668,234.20 = 72,771,053.20 : x
  2. Step 2: Convert to fraction form
    73,778,822.80/110,668,234.20 = 72,771,053.20/x
  3. Step 3: Cross multiply
    73,778,822.80x = 110,668,234.20 × 72,771,053.20
  4. Step 4: Simplify right side
    73,778,822.80x = 8,053,443,958,518,260
  5. Step 5: Solve for x
    x = 8,053,443,958,518,260/73,778,822.80
  6. Step 6: Final answer
    x = 109,156,579.80

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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.