Home / 187,605,172.01-258,895,161.90-103,978,701.68

Finding the Fourth Proportional to 187,605,172.01, 258,895,161.90 and 103,978,701.68

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Solution

The fourth proportional to 187,605,172.01, 258,895,161.90 and 103,978,701.68 is: 143,490,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605,172.01 : 258,895,161.90 = 103,978,701.68 : x
  2. Step 2: Convert to fraction form
    187,605,172.01/258,895,161.90 = 103,978,701.68/x
  3. Step 3: Cross multiply
    187,605,172.01x = 258,895,161.90 × 103,978,701.68
  4. Step 4: Simplify right side
    187,605,172.01x = 26,919,582,805,595,404
  5. Step 5: Solve for x
    x = 26,919,582,805,595,404/187,605,172.01
  6. Step 6: Final answer
    x = 143,490,621.91

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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.