Home / 187,289,995,072.56-258,415,894,782.72-105,999,817,995.60

Finding the Fourth Proportional to 187,289,995,072.56, 258,415,894,782.72 and 105,999,817,995.60

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Solution

The fourth proportional to 187,289,995,072.56, 258,415,894,782.72 and 105,999,817,995.60 is: 146,254,677,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,289,995,072.56 : 258,415,894,782.72 = 105,999,817,995.60 : x
  2. Step 2: Convert to fraction form
    187,289,995,072.56/258,415,894,782.72 = 105,999,817,995.60/x
  3. Step 3: Cross multiply
    187,289,995,072.56x = 258,415,894,782.72 × 105,999,817,995.60
  4. Step 4: Simplify right side
    187,289,995,072.56x = 27,392,037,814,138,440,777,728
  5. Step 5: Solve for x
    x = 27,392,037,814,138,440,777,728/187,289,995,072.56
  6. Step 6: Final answer
    x = 146,254,677,424.31

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1.5x scale

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.