Home / 276,970,860.80-382,186,488.48-159,534,384.56

Finding the Fourth Proportional to 276,970,860.80, 382,186,488.48 and 159,534,384.56

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Solution

The fourth proportional to 276,970,860.80, 382,186,488.48 and 159,534,384.56 is: 220,138,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,970,860.80 : 382,186,488.48 = 159,534,384.56 : x
  2. Step 2: Convert to fraction form
    276,970,860.80/382,186,488.48 = 159,534,384.56/x
  3. Step 3: Cross multiply
    276,970,860.80x = 382,186,488.48 × 159,534,384.56
  4. Step 4: Simplify right side
    276,970,860.80x = 60,971,886,226,804,336
  5. Step 5: Solve for x
    x = 60,971,886,226,804,336/276,970,860.80
  6. Step 6: Final answer
    x = 220,138,270.32

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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.