Home / 278,122,852.14-383,857,036.47-160,627,064.46

Finding the Fourth Proportional to 278,122,852.14, 383,857,036.47 and 160,627,064.46

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Solution

The fourth proportional to 278,122,852.14, 383,857,036.47 and 160,627,064.46 is: 221,692,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,122,852.14 : 383,857,036.47 = 160,627,064.46 : x
  2. Step 2: Convert to fraction form
    278,122,852.14/383,857,036.47 = 160,627,064.46/x
  3. Step 3: Cross multiply
    278,122,852.14x = 383,857,036.47 × 160,627,064.46
  4. Step 4: Simplify right side
    278,122,852.14x = 61,657,828,940,491,272
  5. Step 5: Solve for x
    x = 61,657,828,940,491,272/278,122,852.14
  6. Step 6: Final answer
    x = 221,692,782.40

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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.