Home / 80,660,018,814.31-111,361,060,597.09-51,345,969,858.58

Finding the Fourth Proportional to 80,660,018,814.31, 111,361,060,597.09 and 51,345,969,858.58

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Solution

The fourth proportional to 80,660,018,814.31, 111,361,060,597.09 and 51,345,969,858.58 is: 70,889,416,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,660,018,814.31 : 111,361,060,597.09 = 51,345,969,858.58 : x
  2. Step 2: Convert to fraction form
    80,660,018,814.31/111,361,060,597.09 = 51,345,969,858.58/x
  3. Step 3: Cross multiply
    80,660,018,814.31x = 111,361,060,597.09 × 51,345,969,858.58
  4. Step 4: Simplify right side
    80,660,018,814.31x = 5,717,941,660,837,127,127,040
  5. Step 5: Solve for x
    x = 5,717,941,660,837,127,127,040/80,660,018,814.31
  6. Step 6: Final answer
    x = 70,889,416,403.45

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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.