Home / 74,937,995.56-103,413,085.86-42,342,247.72

Finding the Fourth Proportional to 74,937,995.56, 103,413,085.86 and 42,342,247.72

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Solution

The fourth proportional to 74,937,995.56, 103,413,085.86 and 42,342,247.72 is: 58,431,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,937,995.56 : 103,413,085.86 = 42,342,247.72 : x
  2. Step 2: Convert to fraction form
    74,937,995.56/103,413,085.86 = 42,342,247.72/x
  3. Step 3: Cross multiply
    74,937,995.56x = 103,413,085.86 × 42,342,247.72
  4. Step 4: Simplify right side
    74,937,995.56x = 4,378,742,498,973,749
  5. Step 5: Solve for x
    x = 4,378,742,498,973,749/74,937,995.56
  6. Step 6: Final answer
    x = 58,431,540.19

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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.