Home / 142,430,034.18-213,615,157.33-40,170,156.96

Finding the Fourth Proportional to 142,430,034.18, 213,615,157.33 and 40,170,156.96

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Solution

The fourth proportional to 142,430,034.18, 213,615,157.33 and 40,170,156.96 is: 60,246,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,034.18 : 213,615,157.33 = 40,170,156.96 : x
  2. Step 2: Convert to fraction form
    142,430,034.18/213,615,157.33 = 40,170,156.96/x
  3. Step 3: Cross multiply
    142,430,034.18x = 213,615,157.33 × 40,170,156.96
  4. Step 4: Simplify right side
    142,430,034.18x = 8,580,954,399,832,464
  5. Step 5: Solve for x
    x = 8,580,954,399,832,464/142,430,034.18
  6. Step 6: Final answer
    x = 60,246,804.33

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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.