Home / 379,813,431.40-569,640,429.96-107,120,425.48

Finding the Fourth Proportional to 379,813,431.40, 569,640,429.96 and 107,120,425.48

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Solution

The fourth proportional to 379,813,431.40, 569,640,429.96 and 107,120,425.48 is: 160,658,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,813,431.40 : 569,640,429.96 = 107,120,425.48 : x
  2. Step 2: Convert to fraction form
    379,813,431.40/569,640,429.96 = 107,120,425.48/x
  3. Step 3: Cross multiply
    379,813,431.40x = 569,640,429.96 × 107,120,425.48
  4. Step 4: Simplify right side
    379,813,431.40x = 61,020,125,227,925,344
  5. Step 5: Solve for x
    x = 61,020,125,227,925,344/379,813,431.40
  6. Step 6: Final answer
    x = 160,658,155.25

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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.