Home / 213,151,607.16-319,397,851.15-166,354,132.62

Finding the Fourth Proportional to 213,151,607.16, 319,397,851.15 and 166,354,132.62

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Solution

The fourth proportional to 213,151,607.16, 319,397,851.15 and 166,354,132.62 is: 249,273,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,151,607.16 : 319,397,851.15 = 166,354,132.62 : x
  2. Step 2: Convert to fraction form
    213,151,607.16/319,397,851.15 = 166,354,132.62/x
  3. Step 3: Cross multiply
    213,151,607.16x = 319,397,851.15 × 166,354,132.62
  4. Step 4: Simplify right side
    213,151,607.16x = 53,133,152,489,531,976
  5. Step 5: Solve for x
    x = 53,133,152,489,531,976/213,151,607.16
  6. Step 6: Final answer
    x = 249,273,994.22

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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.