Home / 74,137,021.60-111,124,431.60-26,243,312.80

Finding the Fourth Proportional to 74,137,021.60, 111,124,431.60 and 26,243,312.80

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Solution

The fourth proportional to 74,137,021.60, 111,124,431.60 and 26,243,312.80 is: 39,336,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,137,021.60 : 111,124,431.60 = 26,243,312.80 : x
  2. Step 2: Convert to fraction form
    74,137,021.60/111,124,431.60 = 26,243,312.80/x
  3. Step 3: Cross multiply
    74,137,021.60x = 111,124,431.60 × 26,243,312.80
  4. Step 4: Simplify right side
    74,137,021.60x = 2,916,273,218,201,004.50
  5. Step 5: Solve for x
    x = 2,916,273,218,201,004.50/74,137,021.60
  6. Step 6: Final answer
    x = 39,336,260.82

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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.