Home / 86,410,121,749.50-119,243,379,265.07-47,830,622,985.21

Finding the Fourth Proportional to 86,410,121,749.50, 119,243,379,265.07 and 47,830,622,985.21

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Solution

The fourth proportional to 86,410,121,749.50, 119,243,379,265.07 and 47,830,622,985.21 is: 66,004,826,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,410,121,749.50 : 119,243,379,265.07 = 47,830,622,985.21 : x
  2. Step 2: Convert to fraction form
    86,410,121,749.50/119,243,379,265.07 = 47,830,622,985.21/x
  3. Step 3: Cross multiply
    86,410,121,749.50x = 119,243,379,265.07 × 47,830,622,985.21
  4. Step 4: Simplify right side
    86,410,121,749.50x = 5,703,485,117,109,970,665,472
  5. Step 5: Solve for x
    x = 5,703,485,117,109,970,665,472/86,410,121,749.50
  6. Step 6: Final answer
    x = 66,004,826,768.38

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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.