Home / 85,760,938,392.55-118,519,901,449.49-70,286,673,930.44

Finding the Fourth Proportional to 85,760,938,392.55, 118,519,901,449.49 and 70,286,673,930.44

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Solution

The fourth proportional to 85,760,938,392.55, 118,519,901,449.49 and 70,286,673,930.44 is: 97,134,777,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,760,938,392.55 : 118,519,901,449.49 = 70,286,673,930.44 : x
  2. Step 2: Convert to fraction form
    85,760,938,392.55/118,519,901,449.49 = 70,286,673,930.44/x
  3. Step 3: Cross multiply
    85,760,938,392.55x = 118,519,901,449.49 × 70,286,673,930.44
  4. Step 4: Simplify right side
    85,760,938,392.55x = 8,330,369,667,448,187,125,760
  5. Step 5: Solve for x
    x = 8,330,369,667,448,187,125,760/85,760,938,392.55
  6. Step 6: Final answer
    x = 97,134,777,482.47

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1.5x scale

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.