Home / 170,936,642.80-256,404,964.20-49,772,047.60

Finding the Fourth Proportional to 170,936,642.80, 256,404,964.20 and 49,772,047.60

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Solution

The fourth proportional to 170,936,642.80, 256,404,964.20 and 49,772,047.60 is: 74,658,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,936,642.80 : 256,404,964.20 = 49,772,047.60 : x
  2. Step 2: Convert to fraction form
    170,936,642.80/256,404,964.20 = 49,772,047.60/x
  3. Step 3: Cross multiply
    170,936,642.80x = 256,404,964.20 × 49,772,047.60
  4. Step 4: Simplify right side
    170,936,642.80x = 12,761,800,083,038,696
  5. Step 5: Solve for x
    x = 12,761,800,083,038,696/170,936,642.80
  6. Step 6: Final answer
    x = 74,658,071.40

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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.