Home / 163,560,212.60-245,131,922.10-86,919,956.60

Finding the Fourth Proportional to 163,560,212.60, 245,131,922.10 and 86,919,956.60

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Solution

The fourth proportional to 163,560,212.60, 245,131,922.10 and 86,919,956.60 is: 130,269,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,560,212.60 : 245,131,922.10 = 86,919,956.60 : x
  2. Step 2: Convert to fraction form
    163,560,212.60/245,131,922.10 = 86,919,956.60/x
  3. Step 3: Cross multiply
    163,560,212.60x = 245,131,922.10 × 86,919,956.60
  4. Step 4: Simplify right side
    163,560,212.60x = 21,306,856,030,206,580
  5. Step 5: Solve for x
    x = 21,306,856,030,206,580/163,560,212.60
  6. Step 6: Final answer
    x = 130,269,187.67

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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.