Home / 74,902,728.60-112,354,092.90-21,050,040.60

Finding the Fourth Proportional to 74,902,728.60, 112,354,092.90 and 21,050,040.60

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Solution

The fourth proportional to 74,902,728.60, 112,354,092.90 and 21,050,040.60 is: 31,575,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,728.60 : 112,354,092.90 = 21,050,040.60 : x
  2. Step 2: Convert to fraction form
    74,902,728.60/112,354,092.90 = 21,050,040.60/x
  3. Step 3: Cross multiply
    74,902,728.60x = 112,354,092.90 × 21,050,040.60
  4. Step 4: Simplify right side
    74,902,728.60x = 2,365,058,217,121,172
  5. Step 5: Solve for x
    x = 2,365,058,217,121,172/74,902,728.60
  6. Step 6: Final answer
    x = 31,575,060.90

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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.