Home / 31,101,505,917.66-42,920,050,433.85-17,555,994,242.46

Finding the Fourth Proportional to 31,101,505,917.66, 42,920,050,433.85 and 17,555,994,242.46

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Solution

The fourth proportional to 31,101,505,917.66, 42,920,050,433.85 and 17,555,994,242.46 is: 24,227,256,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101,505,917.66 : 42,920,050,433.85 = 17,555,994,242.46 : x
  2. Step 2: Convert to fraction form
    31,101,505,917.66/42,920,050,433.85 = 17,555,994,242.46/x
  3. Step 3: Cross multiply
    31,101,505,917.66x = 42,920,050,433.85 × 17,555,994,242.46
  4. Step 4: Simplify right side
    31,101,505,917.66x = 753,504,158,302,763,352,064
  5. Step 5: Solve for x
    x = 753,504,158,302,763,352,064/31,101,505,917.66
  6. Step 6: Final answer
    x = 24,227,256,400.31

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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.