Home / 356,076,123.40-534,114,185.10-268,778,081.80

Finding the Fourth Proportional to 356,076,123.40, 534,114,185.10 and 268,778,081.80

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Solution

The fourth proportional to 356,076,123.40, 534,114,185.10 and 268,778,081.80 is: 403,167,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,076,123.40 : 534,114,185.10 = 268,778,081.80 : x
  2. Step 2: Convert to fraction form
    356,076,123.40/534,114,185.10 = 268,778,081.80/x
  3. Step 3: Cross multiply
    356,076,123.40x = 534,114,185.10 × 268,778,081.80
  4. Step 4: Simplify right side
    356,076,123.40x = 143,558,186,133,348,160
  5. Step 5: Solve for x
    x = 143,558,186,133,348,160/356,076,123.40
  6. Step 6: Final answer
    x = 403,167,122.70

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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.