Home / 102,346,046.85-153,588,146.21-40,089,639.03

Finding the Fourth Proportional to 102,346,046.85, 153,588,146.21 and 40,089,639.03

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Solution

The fourth proportional to 102,346,046.85, 153,588,146.21 and 40,089,639.03 is: 60,161,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,346,046.85 : 153,588,146.21 = 40,089,639.03 : x
  2. Step 2: Convert to fraction form
    102,346,046.85/153,588,146.21 = 40,089,639.03/x
  3. Step 3: Cross multiply
    102,346,046.85x = 153,588,146.21 × 40,089,639.03
  4. Step 4: Simplify right side
    102,346,046.85x = 6,157,293,340,645,315
  5. Step 5: Solve for x
    x = 6,157,293,340,645,315/102,346,046.85
  6. Step 6: Final answer
    x = 60,161,516.05

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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.