Home / 278,376,673.32-384,117,104.61-160,879,314.02

Finding the Fourth Proportional to 278,376,673.32, 384,117,104.61 and 160,879,314.02

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Solution

The fourth proportional to 278,376,673.32, 384,117,104.61 and 160,879,314.02 is: 221,988,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,376,673.32 : 384,117,104.61 = 160,879,314.02 : x
  2. Step 2: Convert to fraction form
    278,376,673.32/384,117,104.61 = 160,879,314.02/x
  3. Step 3: Cross multiply
    278,376,673.32x = 384,117,104.61 × 160,879,314.02
  4. Step 4: Simplify right side
    278,376,673.32x = 61,796,496,291,084,792
  5. Step 5: Solve for x
    x = 61,796,496,291,084,792/278,376,673.32
  6. Step 6: Final answer
    x = 221,988,773.54

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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.