Home / 74,902,575.74-112,353,863.60-21,049,887.74

Finding the Fourth Proportional to 74,902,575.74, 112,353,863.60 and 21,049,887.74

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Solution

The fourth proportional to 74,902,575.74, 112,353,863.60 and 21,049,887.74 is: 31,574,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,575.74 : 112,353,863.60 = 21,049,887.74 : x
  2. Step 2: Convert to fraction form
    74,902,575.74/112,353,863.60 = 21,049,887.74/x
  3. Step 3: Cross multiply
    74,902,575.74x = 112,353,863.60 × 21,049,887.74
  4. Step 4: Simplify right side
    74,902,575.74x = 2,365,036,215,373,503
  5. Step 5: Solve for x
    x = 2,365,036,215,373,503/74,902,575.74
  6. Step 6: Final answer
    x = 31,574,831.60

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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.