Home / 187,605,078.17-258,895,032.44-103,978,607.77

Finding the Fourth Proportional to 187,605,078.17, 258,895,032.44 and 103,978,607.77

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Solution

The fourth proportional to 187,605,078.17, 258,895,032.44 and 103,978,607.77 is: 143,490,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605,078.17 : 258,895,032.44 = 103,978,607.77 : x
  2. Step 2: Convert to fraction form
    187,605,078.17/258,895,032.44 = 103,978,607.77/x
  3. Step 3: Cross multiply
    187,605,078.17x = 258,895,032.44 × 103,978,607.77
  4. Step 4: Simplify right side
    187,605,078.17x = 26,919,545,031,483,912
  5. Step 5: Solve for x
    x = 26,919,545,031,483,912/187,605,078.17
  6. Step 6: Final answer
    x = 143,490,492.34

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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.