Home / 74,780,256.78-112,176,059.04-20,192,047.92

Finding the Fourth Proportional to 74,780,256.78, 112,176,059.04 and 20,192,047.92

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Solution

The fourth proportional to 74,780,256.78, 112,176,059.04 and 20,192,047.92 is: 30,289,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780,256.78 : 112,176,059.04 = 20,192,047.92 : x
  2. Step 2: Convert to fraction form
    74,780,256.78/112,176,059.04 = 20,192,047.92/x
  3. Step 3: Cross multiply
    74,780,256.78x = 112,176,059.04 × 20,192,047.92
  4. Step 4: Simplify right side
    74,780,256.78x = 2,265,064,359,612,429.50
  5. Step 5: Solve for x
    x = 2,265,064,359,612,429.50/74,780,256.78
  6. Step 6: Final answer
    x = 30,289,603.93

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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.