Home / 211,444,328.20-317,166,492.30-197,095,421.20

Finding the Fourth Proportional to 211,444,328.20, 317,166,492.30 and 197,095,421.20

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Solution

The fourth proportional to 211,444,328.20, 317,166,492.30 and 197,095,421.20 is: 295,643,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,444,328.20 : 317,166,492.30 = 197,095,421.20 : x
  2. Step 2: Convert to fraction form
    211,444,328.20/317,166,492.30 = 197,095,421.20/x
  3. Step 3: Cross multiply
    211,444,328.20x = 317,166,492.30 × 197,095,421.20
  4. Step 4: Simplify right side
    211,444,328.20x = 62,512,063,390,395,056
  5. Step 5: Solve for x
    x = 62,512,063,390,395,056/211,444,328.20
  6. Step 6: Final answer
    x = 295,643,131.80

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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.