Home / 128,308,431.60-192,470,020.20-37,446,044.40

Finding the Fourth Proportional to 128,308,431.60, 192,470,020.20 and 37,446,044.40

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Solution

The fourth proportional to 128,308,431.60, 192,470,020.20 and 37,446,044.40 is: 56,171,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,308,431.60 : 192,470,020.20 = 37,446,044.40 : x
  2. Step 2: Convert to fraction form
    128,308,431.60/192,470,020.20 = 37,446,044.40/x
  3. Step 3: Cross multiply
    128,308,431.60x = 192,470,020.20 × 37,446,044.40
  4. Step 4: Simplify right side
    128,308,431.60x = 7,207,240,922,078,096
  5. Step 5: Solve for x
    x = 7,207,240,922,078,096/128,308,431.60
  6. Step 6: Final answer
    x = 56,171,218.31

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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.