Home / 253,610,202,388.72-349,982,304,435.48-139,426,766,068.72

Finding the Fourth Proportional to 253,610,202,388.72, 349,982,304,435.48 and 139,426,766,068.72

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Solution

The fourth proportional to 253,610,202,388.72, 349,982,304,435.48 and 139,426,766,068.72 is: 192,409,060,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,610,202,388.72 : 349,982,304,435.48 = 139,426,766,068.72 : x
  2. Step 2: Convert to fraction form
    253,610,202,388.72/349,982,304,435.48 = 139,426,766,068.72/x
  3. Step 3: Cross multiply
    253,610,202,388.72x = 349,982,304,435.48 × 139,426,766,068.72
  4. Step 4: Simplify right side
    253,610,202,388.72x = 48,796,900,888,717,211,729,920
  5. Step 5: Solve for x
    x = 48,796,900,888,717,211,729,920/253,610,202,388.72
  6. Step 6: Final answer
    x = 192,409,060,949.07

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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.