Home / 74,931,768.63-112,405,360.68-28,284,546.33

Finding the Fourth Proportional to 74,931,768.63, 112,405,360.68 and 28,284,546.33

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Solution

The fourth proportional to 74,931,768.63, 112,405,360.68 and 28,284,546.33 is: 42,429,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931,768.63 : 112,405,360.68 = 28,284,546.33 : x
  2. Step 2: Convert to fraction form
    74,931,768.63/112,405,360.68 = 28,284,546.33/x
  3. Step 3: Cross multiply
    74,931,768.63x = 112,405,360.68 × 28,284,546.33
  4. Step 4: Simplify right side
    74,931,768.63x = 3,179,334,631,893,820.50
  5. Step 5: Solve for x
    x = 3,179,334,631,893,820.50/74,931,768.63
  6. Step 6: Final answer
    x = 42,429,728.94

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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.