Home / 374,576,154.89-561,918,068.40-115,811,553.29

Finding the Fourth Proportional to 374,576,154.89, 561,918,068.40 and 115,811,553.29

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Solution

The fourth proportional to 374,576,154.89, 561,918,068.40 and 115,811,553.29 is: 173,733,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,576,154.89 : 561,918,068.40 = 115,811,553.29 : x
  2. Step 2: Convert to fraction form
    374,576,154.89/561,918,068.40 = 115,811,553.29/x
  3. Step 3: Cross multiply
    374,576,154.89x = 561,918,068.40 × 115,811,553.29
  4. Step 4: Simplify right side
    374,576,154.89x = 65,076,604,320,310,872
  5. Step 5: Solve for x
    x = 65,076,604,320,310,872/374,576,154.89
  6. Step 6: Final answer
    x = 173,733,974.98

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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.