Home / 187,605,077.60-258,895,031.66-103,978,607.21

Finding the Fourth Proportional to 187,605,077.60, 258,895,031.66 and 103,978,607.21

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Solution

The fourth proportional to 187,605,077.60, 258,895,031.66 and 103,978,607.21 is: 143,490,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605,077.60 : 258,895,031.66 = 103,978,607.21 : x
  2. Step 2: Convert to fraction form
    187,605,077.60/258,895,031.66 = 103,978,607.21/x
  3. Step 3: Cross multiply
    187,605,077.60x = 258,895,031.66 × 103,978,607.21
  4. Step 4: Simplify right side
    187,605,077.60x = 26,919,544,805,141,024
  5. Step 5: Solve for x
    x = 26,919,544,805,141,024/187,605,077.60
  6. Step 6: Final answer
    x = 143,490,491.56

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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.