Home / 74,215,389.12-102,413,778.48-41,175,287.16

Finding the Fourth Proportional to 74,215,389.12, 102,413,778.48 and 41,175,287.16

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Solution

The fourth proportional to 74,215,389.12, 102,413,778.48 and 41,175,287.16 is: 56,819,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215,389.12 : 102,413,778.48 = 41,175,287.16 : x
  2. Step 2: Convert to fraction form
    74,215,389.12/102,413,778.48 = 41,175,287.16/x
  3. Step 3: Cross multiply
    74,215,389.12x = 102,413,778.48 × 41,175,287.16
  4. Step 4: Simplify right side
    74,215,389.12x = 4,216,916,738,054,628
  5. Step 5: Solve for x
    x = 4,216,916,738,054,628/74,215,389.12
  6. Step 6: Final answer
    x = 56,819,977.47

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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.