Home / 112,000,319.80-167,867,769.30-47,303,999.80

Finding the Fourth Proportional to 112,000,319.80, 167,867,769.30 and 47,303,999.80

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Solution

The fourth proportional to 112,000,319.80, 167,867,769.30 and 47,303,999.80 is: 70,899,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,000,319.80 : 167,867,769.30 = 47,303,999.80 : x
  2. Step 2: Convert to fraction form
    112,000,319.80/167,867,769.30 = 47,303,999.80/x
  3. Step 3: Cross multiply
    112,000,319.80x = 167,867,769.30 × 47,303,999.80
  4. Step 4: Simplify right side
    112,000,319.80x = 7,940,816,925,393,646
  5. Step 5: Solve for x
    x = 7,940,816,925,393,646/112,000,319.80
  6. Step 6: Final answer
    x = 70,899,948.67

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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.