Home / 187,539,869.97-258,894,985.05-131,833,043.37

Finding the Fourth Proportional to 187,539,869.97, 258,894,985.05 and 131,833,043.37

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Solution

The fourth proportional to 187,539,869.97, 258,894,985.05 and 131,833,043.37 is: 181,992,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,539,869.97 : 258,894,985.05 = 131,833,043.37 : x
  2. Step 2: Convert to fraction form
    187,539,869.97/258,894,985.05 = 131,833,043.37/x
  3. Step 3: Cross multiply
    187,539,869.97x = 258,894,985.05 × 131,833,043.37
  4. Step 4: Simplify right side
    187,539,869.97x = 34,130,913,792,372,156
  5. Step 5: Solve for x
    x = 34,130,913,792,372,156/187,539,869.97
  6. Step 6: Final answer
    x = 181,992,841.30

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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.