Home / 159,631,285,779.43-239,447,549,891.70-38,619,646,688.16

Finding the Fourth Proportional to 159,631,285,779.43, 239,447,549,891.70 and 38,619,646,688.16

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Solution

The fourth proportional to 159,631,285,779.43, 239,447,549,891.70 and 38,619,646,688.16 is: 57,929,620,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,631,285,779.43 : 239,447,549,891.70 = 38,619,646,688.16 : x
  2. Step 2: Convert to fraction form
    159,631,285,779.43/239,447,549,891.70 = 38,619,646,688.16/x
  3. Step 3: Cross multiply
    159,631,285,779.43x = 239,447,549,891.70 × 38,619,646,688.16
  4. Step 4: Simplify right side
    159,631,285,779.43x = 9,247,379,777,163,019,419,648
  5. Step 5: Solve for x
    x = 9,247,379,777,163,019,419,648/159,631,285,779.43
  6. Step 6: Final answer
    x = 57,929,620,324.81

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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.