Home / 90,815,404,938.76-136,191,561,392.14-50,539,719,075.40

Finding the Fourth Proportional to 90,815,404,938.76, 136,191,561,392.14 and 50,539,719,075.40

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Solution

The fourth proportional to 90,815,404,938.76, 136,191,561,392.14 and 50,539,719,075.40 is: 75,792,022,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,815,404,938.76 : 136,191,561,392.14 = 50,539,719,075.40 : x
  2. Step 2: Convert to fraction form
    90,815,404,938.76/136,191,561,392.14 = 50,539,719,075.40/x
  3. Step 3: Cross multiply
    90,815,404,938.76x = 136,191,561,392.14 × 50,539,719,075.40
  4. Step 4: Simplify right side
    90,815,404,938.76x = 6,883,083,253,198,848,262,144
  5. Step 5: Solve for x
    x = 6,883,083,253,198,848,262,144/90,815,404,938.76
  6. Step 6: Final answer
    x = 75,792,022,926.51

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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.