Home / 187,338,108.29-258,528,634.84-103,707,635.81

Finding the Fourth Proportional to 187,338,108.29, 258,528,634.84 and 103,707,635.81

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Solution

The fourth proportional to 187,338,108.29, 258,528,634.84 and 103,707,635.81 is: 143,117,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,338,108.29 : 258,528,634.84 = 103,707,635.81 : x
  2. Step 2: Convert to fraction form
    187,338,108.29/258,528,634.84 = 103,707,635.81/x
  3. Step 3: Cross multiply
    187,338,108.29x = 258,528,634.84 × 103,707,635.81
  4. Step 4: Simplify right side
    187,338,108.29x = 26,811,393,508,830,252
  5. Step 5: Solve for x
    x = 26,811,393,508,830,252/187,338,108.29
  6. Step 6: Final answer
    x = 143,117,669.73

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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.