Home / 49,372,365.78-74,070,373.05-20,602,497.42

Finding the Fourth Proportional to 49,372,365.78, 74,070,373.05 and 20,602,497.42

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Solution

The fourth proportional to 49,372,365.78, 74,070,373.05 and 20,602,497.42 is: 30,908,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,372,365.78 : 74,070,373.05 = 20,602,497.42 : x
  2. Step 2: Convert to fraction form
    49,372,365.78/74,070,373.05 = 20,602,497.42/x
  3. Step 3: Cross multiply
    49,372,365.78x = 74,070,373.05 × 20,602,497.42
  4. Step 4: Simplify right side
    49,372,365.78x = 1,526,034,669,661,062.50
  5. Step 5: Solve for x
    x = 1,526,034,669,661,062.50/49,372,365.78
  6. Step 6: Final answer
    x = 30,908,680.30

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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.