Home / 213,084,816.80-319,627,225.20-98,293,560.80

Finding the Fourth Proportional to 213,084,816.80, 319,627,225.20 and 98,293,560.80

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Solution

The fourth proportional to 213,084,816.80, 319,627,225.20 and 98,293,560.80 is: 147,440,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,084,816.80 : 319,627,225.20 = 98,293,560.80 : x
  2. Step 2: Convert to fraction form
    213,084,816.80/319,627,225.20 = 98,293,560.80/x
  3. Step 3: Cross multiply
    213,084,816.80x = 319,627,225.20 × 98,293,560.80
  4. Step 4: Simplify right side
    213,084,816.80x = 31,417,298,093,531,492
  5. Step 5: Solve for x
    x = 31,417,298,093,531,492/213,084,816.80
  6. Step 6: Final answer
    x = 147,440,341.20

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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.