Home / 209,012,532.48-313,343,423.19-92,409,062.67

Finding the Fourth Proportional to 209,012,532.48, 313,343,423.19 and 92,409,062.67

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Solution

The fourth proportional to 209,012,532.48, 313,343,423.19 and 92,409,062.67 is: 138,536,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,012,532.48 : 313,343,423.19 = 92,409,062.67 : x
  2. Step 2: Convert to fraction form
    209,012,532.48/313,343,423.19 = 92,409,062.67/x
  3. Step 3: Cross multiply
    209,012,532.48x = 313,343,423.19 × 92,409,062.67
  4. Step 4: Simplify right side
    209,012,532.48x = 28,955,772,030,797,040
  5. Step 5: Solve for x
    x = 28,955,772,030,797,040/209,012,532.48
  6. Step 6: Final answer
    x = 138,536,056.60

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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.