Home / 86,531,505,113.88-119,414,178,193.44-47,951,069,431.56

Finding the Fourth Proportional to 86,531,505,113.88, 119,414,178,193.44 and 47,951,069,431.56

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Solution

The fourth proportional to 86,531,505,113.88, 119,414,178,193.44 and 47,951,069,431.56 is: 66,172,864,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531,505,113.88 : 119,414,178,193.44 = 47,951,069,431.56 : x
  2. Step 2: Convert to fraction form
    86,531,505,113.88/119,414,178,193.44 = 47,951,069,431.56/x
  3. Step 3: Cross multiply
    86,531,505,113.88x = 119,414,178,193.44 × 47,951,069,431.56
  4. Step 4: Simplify right side
    86,531,505,113.88x = 5,726,037,549,666,319,466,496
  5. Step 5: Solve for x
    x = 5,726,037,549,666,319,466,496/86,531,505,113.88
  6. Step 6: Final answer
    x = 66,172,864,347.28

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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.