Home / 267,778,981.48-369,522,555.64-148,709,133.76

Finding the Fourth Proportional to 267,778,981.48, 369,522,555.64 and 148,709,133.76

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Solution

The fourth proportional to 267,778,981.48, 369,522,555.64 and 148,709,133.76 is: 205,211,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,778,981.48 : 369,522,555.64 = 148,709,133.76 : x
  2. Step 2: Convert to fraction form
    267,778,981.48/369,522,555.64 = 148,709,133.76/x
  3. Step 3: Cross multiply
    267,778,981.48x = 369,522,555.64 × 148,709,133.76
  4. Step 4: Simplify right side
    267,778,981.48x = 54,951,379,154,005,800
  5. Step 5: Solve for x
    x = 54,951,379,154,005,800/267,778,981.48
  6. Step 6: Final answer
    x = 205,211,696.79

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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.