Home / 255,341,981.70-383,012,972.55-177,407,799.30

Finding the Fourth Proportional to 255,341,981.70, 383,012,972.55 and 177,407,799.30

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Solution

The fourth proportional to 255,341,981.70, 383,012,972.55 and 177,407,799.30 is: 266,111,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,341,981.70 : 383,012,972.55 = 177,407,799.30 : x
  2. Step 2: Convert to fraction form
    255,341,981.70/383,012,972.55 = 177,407,799.30/x
  3. Step 3: Cross multiply
    255,341,981.70x = 383,012,972.55 × 177,407,799.30
  4. Step 4: Simplify right side
    255,341,981.70x = 67,949,488,563,446,816
  5. Step 5: Solve for x
    x = 67,949,488,563,446,816/255,341,981.70
  6. Step 6: Final answer
    x = 266,111,698.95

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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.