Home / 172,051,263.40-258,076,895.10-158,912,933.80

Finding the Fourth Proportional to 172,051,263.40, 258,076,895.10 and 158,912,933.80

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Solution

The fourth proportional to 172,051,263.40, 258,076,895.10 and 158,912,933.80 is: 238,369,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,051,263.40 : 258,076,895.10 = 158,912,933.80 : x
  2. Step 2: Convert to fraction form
    172,051,263.40/258,076,895.10 = 158,912,933.80/x
  3. Step 3: Cross multiply
    172,051,263.40x = 258,076,895.10 × 158,912,933.80
  4. Step 4: Simplify right side
    172,051,263.40x = 41,011,756,546,335,848
  5. Step 5: Solve for x
    x = 41,011,756,546,335,848/172,051,263.40
  6. Step 6: Final answer
    x = 238,369,400.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.