Home / 125,845,992,452.45-188,798,760,298.74-40,855,622,678.07

Finding the Fourth Proportional to 125,845,992,452.45, 188,798,760,298.74 and 40,855,622,678.07

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Solution

The fourth proportional to 125,845,992,452.45, 188,798,760,298.74 and 40,855,622,678.07 is: 61,293,099,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,845,992,452.45 : 188,798,760,298.74 = 40,855,622,678.07 : x
  2. Step 2: Convert to fraction form
    125,845,992,452.45/188,798,760,298.74 = 40,855,622,678.07/x
  3. Step 3: Cross multiply
    125,845,992,452.45x = 188,798,760,298.74 × 40,855,622,678.07
  4. Step 4: Simplify right side
    125,845,992,452.45x = 7,713,490,912,852,703,182,848
  5. Step 5: Solve for x
    x = 7,713,490,912,852,703,182,848/125,845,992,452.45
  6. Step 6: Final answer
    x = 61,293,099,307.61

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1.5x scale

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.