Home / 86,946,662.70-130,435,740.45-43,707,048.30

Finding the Fourth Proportional to 86,946,662.70, 130,435,740.45 and 43,707,048.30

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Solution

The fourth proportional to 86,946,662.70, 130,435,740.45 and 43,707,048.30 is: 65,568,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946,662.70 : 130,435,740.45 = 43,707,048.30 : x
  2. Step 2: Convert to fraction form
    86,946,662.70/130,435,740.45 = 43,707,048.30/x
  3. Step 3: Cross multiply
    86,946,662.70x = 130,435,740.45 × 43,707,048.30
  4. Step 4: Simplify right side
    86,946,662.70x = 5,700,961,207,894,413
  5. Step 5: Solve for x
    x = 5,700,961,207,894,413/86,946,662.70
  6. Step 6: Final answer
    x = 65,568,487.98

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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.