Home / 159,146,155,619.21-219,620,557,671.54-86,888,218,104.56

Finding the Fourth Proportional to 159,146,155,619.21, 219,620,557,671.54 and 86,888,218,104.56

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Solution

The fourth proportional to 159,146,155,619.21, 219,620,557,671.54 and 86,888,218,104.56 is: 119,905,120,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,146,155,619.21 : 219,620,557,671.54 = 86,888,218,104.56 : x
  2. Step 2: Convert to fraction form
    159,146,155,619.21/219,620,557,671.54 = 86,888,218,104.56/x
  3. Step 3: Cross multiply
    159,146,155,619.21x = 219,620,557,671.54 × 86,888,218,104.56
  4. Step 4: Simplify right side
    159,146,155,619.21x = 19,082,438,915,209,866,248,192
  5. Step 5: Solve for x
    x = 19,082,438,915,209,866,248,192/159,146,155,619.21
  6. Step 6: Final answer
    x = 119,905,120,176.88

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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.