Home / 216,211,099.72-298,367,629.88-117,091,041.70

Finding the Fourth Proportional to 216,211,099.72, 298,367,629.88 and 117,091,041.70

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Solution

The fourth proportional to 216,211,099.72, 298,367,629.88 and 117,091,041.70 is: 161,583,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,211,099.72 : 298,367,629.88 = 117,091,041.70 : x
  2. Step 2: Convert to fraction form
    216,211,099.72/298,367,629.88 = 117,091,041.70/x
  3. Step 3: Cross multiply
    216,211,099.72x = 298,367,629.88 × 117,091,041.70
  4. Step 4: Simplify right side
    216,211,099.72x = 34,936,176,592,209,248
  5. Step 5: Solve for x
    x = 34,936,176,592,209,248/216,211,099.72
  6. Step 6: Final answer
    x = 161,583,640.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.