Home / 238,545,957,223.01-357,792,503,977.92-85,384,730,128.81

Finding the Fourth Proportional to 238,545,957,223.01, 357,792,503,977.92 and 85,384,730,128.81

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Solution

The fourth proportional to 238,545,957,223.01, 357,792,503,977.92 and 85,384,730,128.81 is: 128,067,634,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,545,957,223.01 : 357,792,503,977.92 = 85,384,730,128.81 : x
  2. Step 2: Convert to fraction form
    238,545,957,223.01/357,792,503,977.92 = 85,384,730,128.81/x
  3. Step 3: Cross multiply
    238,545,957,223.01x = 357,792,503,977.92 × 85,384,730,128.81
  4. Step 4: Simplify right side
    238,545,957,223.01x = 30,550,016,394,264,085,266,432
  5. Step 5: Solve for x
    x = 30,550,016,394,264,085,266,432/238,545,957,223.01
  6. Step 6: Final answer
    x = 128,067,634,219.87

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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.