Home / 379,813,431.65-569,640,430.34-107,120,425.73

Finding the Fourth Proportional to 379,813,431.65, 569,640,430.34 and 107,120,425.73

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Solution

The fourth proportional to 379,813,431.65, 569,640,430.34 and 107,120,425.73 is: 160,658,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,813,431.65 : 569,640,430.34 = 107,120,425.73 : x
  2. Step 2: Convert to fraction form
    379,813,431.65/569,640,430.34 = 107,120,425.73/x
  3. Step 3: Cross multiply
    379,813,431.65x = 569,640,430.34 × 107,120,425.73
  4. Step 4: Simplify right side
    379,813,431.65x = 61,020,125,411,041,216
  5. Step 5: Solve for x
    x = 61,020,125,411,041,216/379,813,431.65
  6. Step 6: Final answer
    x = 160,658,155.63

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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.