Home / 211,869,166.80-317,803,750.20-109,664,533.20

Finding the Fourth Proportional to 211,869,166.80, 317,803,750.20 and 109,664,533.20

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Solution

The fourth proportional to 211,869,166.80, 317,803,750.20 and 109,664,533.20 is: 164,496,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,869,166.80 : 317,803,750.20 = 109,664,533.20 : x
  2. Step 2: Convert to fraction form
    211,869,166.80/317,803,750.20 = 109,664,533.20/x
  3. Step 3: Cross multiply
    211,869,166.80x = 317,803,750.20 × 109,664,533.20
  4. Step 4: Simplify right side
    211,869,166.80x = 34,851,799,914,892,408
  5. Step 5: Solve for x
    x = 34,851,799,914,892,408/211,869,166.80
  6. Step 6: Final answer
    x = 164,496,799.80

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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.