Home / 142,430,052.54-213,615,184.85-40,170,175.32

Finding the Fourth Proportional to 142,430,052.54, 213,615,184.85 and 40,170,175.32

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Solution

The fourth proportional to 142,430,052.54, 213,615,184.85 and 40,170,175.32 is: 60,246,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,052.54 : 213,615,184.85 = 40,170,175.32 : x
  2. Step 2: Convert to fraction form
    142,430,052.54/213,615,184.85 = 40,170,175.32/x
  3. Step 3: Cross multiply
    142,430,052.54x = 213,615,184.85 × 40,170,175.32
  4. Step 4: Simplify right side
    142,430,052.54x = 8,580,959,427,415,710
  5. Step 5: Solve for x
    x = 8,580,959,427,415,710/142,430,052.54
  6. Step 6: Final answer
    x = 60,246,831.86

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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.