Home / 187,492,940.54-258,736,796.12-103,859,236.10

Finding the Fourth Proportional to 187,492,940.54, 258,736,796.12 and 103,859,236.10

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Solution

The fourth proportional to 187,492,940.54, 258,736,796.12 and 103,859,236.10 is: 143,323,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,492,940.54 : 258,736,796.12 = 103,859,236.10 : x
  2. Step 2: Convert to fraction form
    187,492,940.54/258,736,796.12 = 103,859,236.10/x
  3. Step 3: Cross multiply
    187,492,940.54x = 258,736,796.12 × 103,859,236.10
  4. Step 4: Simplify right side
    187,492,940.54x = 26,872,205,995,434,448
  5. Step 5: Solve for x
    x = 26,872,205,995,434,448/187,492,940.54
  6. Step 6: Final answer
    x = 143,323,828.19

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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.