Home / 103,083,020,897.73-154,646,787,168.40-31,378,142,135.88

Finding the Fourth Proportional to 103,083,020,897.73, 154,646,787,168.40 and 31,378,142,135.88

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Solution

The fourth proportional to 103,083,020,897.73, 154,646,787,168.40 and 31,378,142,135.88 is: 47,073,987,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,083,020,897.73 : 154,646,787,168.40 = 31,378,142,135.88 : x
  2. Step 2: Convert to fraction form
    103,083,020,897.73/154,646,787,168.40 = 31,378,142,135.88/x
  3. Step 3: Cross multiply
    103,083,020,897.73x = 154,646,787,168.40 × 31,378,142,135.88
  4. Step 4: Simplify right side
    103,083,020,897.73x = 4,852,528,868,627,238,092,800
  5. Step 5: Solve for x
    x = 4,852,528,868,627,238,092,800/103,083,020,897.73
  6. Step 6: Final answer
    x = 47,073,987,804.85

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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.