Home / 187,076,916,015.72-258,171,220,431.40-105,798,893,213.28

Finding the Fourth Proportional to 187,076,916,015.72, 258,171,220,431.40 and 105,798,893,213.28

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Solution

The fourth proportional to 187,076,916,015.72, 258,171,220,431.40 and 105,798,893,213.28 is: 146,005,343,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076,916,015.72 : 258,171,220,431.40 = 105,798,893,213.28 : x
  2. Step 2: Convert to fraction form
    187,076,916,015.72/258,171,220,431.40 = 105,798,893,213.28/x
  3. Step 3: Cross multiply
    187,076,916,015.72x = 258,171,220,431.40 × 105,798,893,213.28
  4. Step 4: Simplify right side
    187,076,916,015.72x = 27,314,229,381,163,858,788,352
  5. Step 5: Solve for x
    x = 27,314,229,381,163,858,788,352/187,076,916,015.72
  6. Step 6: Final answer
    x = 146,005,343,485.93

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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.