Home / 216,211,098.47-298,367,628.17-117,091,040.45

Finding the Fourth Proportional to 216,211,098.47, 298,367,628.17 and 117,091,040.45

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Solution

The fourth proportional to 216,211,098.47, 298,367,628.17 and 117,091,040.45 is: 161,583,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,211,098.47 : 298,367,628.17 = 117,091,040.45 : x
  2. Step 2: Convert to fraction form
    216,211,098.47/298,367,628.17 = 117,091,040.45/x
  3. Step 3: Cross multiply
    216,211,098.47x = 298,367,628.17 × 117,091,040.45
  4. Step 4: Simplify right side
    216,211,098.47x = 34,936,176,019,024,032
  5. Step 5: Solve for x
    x = 34,936,176,019,024,032/216,211,098.47
  6. Step 6: Final answer
    x = 161,583,638.70

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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.