Home / 99,678,210.45-137,555,955.24-55,024,208.46

Finding the Fourth Proportional to 99,678,210.45, 137,555,955.24 and 55,024,208.46

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Solution

The fourth proportional to 99,678,210.45, 137,555,955.24 and 55,024,208.46 is: 75,933,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,678,210.45 : 137,555,955.24 = 55,024,208.46 : x
  2. Step 2: Convert to fraction form
    99,678,210.45/137,555,955.24 = 55,024,208.46/x
  3. Step 3: Cross multiply
    99,678,210.45x = 137,555,955.24 × 55,024,208.46
  4. Step 4: Simplify right side
    99,678,210.45x = 7,568,907,556,040,190
  5. Step 5: Solve for x
    x = 7,568,907,556,040,190/99,678,210.45
  6. Step 6: Final answer
    x = 75,933,421.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.