Home / 31,084,738,538.96-42,896,938,851.61-16,811,566,163.06

Finding the Fourth Proportional to 31,084,738,538.96, 42,896,938,851.61 and 16,811,566,163.06

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Solution

The fourth proportional to 31,084,738,538.96, 42,896,938,851.61 and 16,811,566,163.06 is: 23,199,961,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084,738,538.96 : 42,896,938,851.61 = 16,811,566,163.06 : x
  2. Step 2: Convert to fraction form
    31,084,738,538.96/42,896,938,851.61 = 16,811,566,163.06/x
  3. Step 3: Cross multiply
    31,084,738,538.96x = 42,896,938,851.61 × 16,811,566,163.06
  4. Step 4: Simplify right side
    31,084,738,538.96x = 721,164,725,696,580,550,656
  5. Step 5: Solve for x
    x = 721,164,725,696,580,550,656/31,084,738,538.96
  6. Step 6: Final answer
    x = 23,199,961,125.38

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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.