Home / 137,898,086.22-190,300,642.62-76,020,639.12

Finding the Fourth Proportional to 137,898,086.22, 190,300,642.62 and 76,020,639.12

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Solution

The fourth proportional to 137,898,086.22, 190,300,642.62 and 76,020,639.12 is: 104,909,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,898,086.22 : 190,300,642.62 = 76,020,639.12 : x
  2. Step 2: Convert to fraction form
    137,898,086.22/190,300,642.62 = 76,020,639.12/x
  3. Step 3: Cross multiply
    137,898,086.22x = 190,300,642.62 × 76,020,639.12
  4. Step 4: Simplify right side
    137,898,086.22x = 14,466,776,476,919,112
  5. Step 5: Solve for x
    x = 14,466,776,476,919,112/137,898,086.22
  6. Step 6: Final answer
    x = 104,909,189.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.