Home / 99,013,340.57-148,550,418.26-47,263,978.01

Finding the Fourth Proportional to 99,013,340.57, 148,550,418.26 and 47,263,978.01

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Solution

The fourth proportional to 99,013,340.57, 148,550,418.26 and 47,263,978.01 is: 70,910,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013,340.57 : 148,550,418.26 = 47,263,978.01 : x
  2. Step 2: Convert to fraction form
    99,013,340.57/148,550,418.26 = 47,263,978.01/x
  3. Step 3: Cross multiply
    99,013,340.57x = 148,550,418.26 × 47,263,978.01
  4. Step 4: Simplify right side
    99,013,340.57x = 7,021,083,701,780,622
  5. Step 5: Solve for x
    x = 7,021,083,701,780,622/99,013,340.57
  6. Step 6: Final answer
    x = 70,910,481.98

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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.