Home / 141,964,602,458.16-212,608,865,840.04-82,147,201,806.98

Finding the Fourth Proportional to 141,964,602,458.16, 212,608,865,840.04 and 82,147,201,806.98

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Solution

The fourth proportional to 141,964,602,458.16, 212,608,865,840.04 and 82,147,201,806.98 is: 123,025,198,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964,602,458.16 : 212,608,865,840.04 = 82,147,201,806.98 : x
  2. Step 2: Convert to fraction form
    141,964,602,458.16/212,608,865,840.04 = 82,147,201,806.98/x
  3. Step 3: Cross multiply
    141,964,602,458.16x = 212,608,865,840.04 × 82,147,201,806.98
  4. Step 4: Simplify right side
    141,964,602,458.16x = 17,465,223,408,114,051,579,904
  5. Step 5: Solve for x
    x = 17,465,223,408,114,051,579,904/141,964,602,458.16
  6. Step 6: Final answer
    x = 123,025,198,575.55

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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.