Home / 200,456,849.53-276,669,232.80-130,721,161.51

Finding the Fourth Proportional to 200,456,849.53, 276,669,232.80 and 130,721,161.51

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Solution

The fourth proportional to 200,456,849.53, 276,669,232.80 and 130,721,161.51 is: 180,420,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,456,849.53 : 276,669,232.80 = 130,721,161.51 : x
  2. Step 2: Convert to fraction form
    200,456,849.53/276,669,232.80 = 130,721,161.51/x
  3. Step 3: Cross multiply
    200,456,849.53x = 276,669,232.80 × 130,721,161.51
  4. Step 4: Simplify right side
    200,456,849.53x = 36,166,523,465,696,592
  5. Step 5: Solve for x
    x = 36,166,523,465,696,592/200,456,849.53
  6. Step 6: Final answer
    x = 180,420,492.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.