Home / 209,952,812.80-314,929,219.20-166,114,835.20

Finding the Fourth Proportional to 209,952,812.80, 314,929,219.20 and 166,114,835.20

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Solution

The fourth proportional to 209,952,812.80, 314,929,219.20 and 166,114,835.20 is: 249,172,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,812.80 : 314,929,219.20 = 166,114,835.20 : x
  2. Step 2: Convert to fraction form
    209,952,812.80/314,929,219.20 = 166,114,835.20/x
  3. Step 3: Cross multiply
    209,952,812.80x = 314,929,219.20 × 166,114,835.20
  4. Step 4: Simplify right side
    209,952,812.80x = 52,314,415,347,072,672
  5. Step 5: Solve for x
    x = 52,314,415,347,072,672/209,952,812.80
  6. Step 6: Final answer
    x = 249,172,252.80

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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.