Home / 57,537,048.16-86,339,622.69-21,170,976.49

Finding the Fourth Proportional to 57,537,048.16, 86,339,622.69 and 21,170,976.49

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Solution

The fourth proportional to 57,537,048.16, 86,339,622.69 and 21,170,976.49 is: 31,768,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,048.16 : 86,339,622.69 = 21,170,976.49 : x
  2. Step 2: Convert to fraction form
    57,537,048.16/86,339,622.69 = 21,170,976.49/x
  3. Step 3: Cross multiply
    57,537,048.16x = 86,339,622.69 × 21,170,976.49
  4. Step 4: Simplify right side
    57,537,048.16x = 1,827,894,121,587,907.50
  5. Step 5: Solve for x
    x = 1,827,894,121,587,907.50/57,537,048.16
  6. Step 6: Final answer
    x = 31,768,993.72

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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.