Home / 187,289,994,969.05-258,415,894,640.43-105,999,817,892.01

Finding the Fourth Proportional to 187,289,994,969.05, 258,415,894,640.43 and 105,999,817,892.01

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Solution

The fourth proportional to 187,289,994,969.05, 258,415,894,640.43 and 105,999,817,892.01 is: 146,254,677,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,289,994,969.05 : 258,415,894,640.43 = 105,999,817,892.01 : x
  2. Step 2: Convert to fraction form
    187,289,994,969.05/258,415,894,640.43 = 105,999,817,892.01/x
  3. Step 3: Cross multiply
    187,289,994,969.05x = 258,415,894,640.43 × 105,999,817,892.01
  4. Step 4: Simplify right side
    187,289,994,969.05x = 27,392,037,772,286,421,368,832
  5. Step 5: Solve for x
    x = 27,392,037,772,286,421,368,832/187,289,994,969.05
  6. Step 6: Final answer
    x = 146,254,677,281.68

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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.