Home / 159,237,474,558.57-219,746,229,779.02-86,979,511,751.26

Finding the Fourth Proportional to 159,237,474,558.57, 219,746,229,779.02 and 86,979,511,751.26

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Solution

The fourth proportional to 159,237,474,558.57, 219,746,229,779.02 and 86,979,511,751.26 is: 120,030,915,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,237,474,558.57 : 219,746,229,779.02 = 86,979,511,751.26 : x
  2. Step 2: Convert to fraction form
    159,237,474,558.57/219,746,229,779.02 = 86,979,511,751.26/x
  3. Step 3: Cross multiply
    159,237,474,558.57x = 219,746,229,779.02 × 86,979,511,751.26
  4. Step 4: Simplify right side
    159,237,474,558.57x = 19,113,419,775,360,230,227,968
  5. Step 5: Solve for x
    x = 19,113,419,775,360,230,227,968/159,237,474,558.57
  6. Step 6: Final answer
    x = 120,030,915,011.34

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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.