Home / 349,780,983.40-524,671,475.10-107,455,940.20

Finding the Fourth Proportional to 349,780,983.40, 524,671,475.10 and 107,455,940.20

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Solution

The fourth proportional to 349,780,983.40, 524,671,475.10 and 107,455,940.20 is: 161,183,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,780,983.40 : 524,671,475.10 = 107,455,940.20 : x
  2. Step 2: Convert to fraction form
    349,780,983.40/524,671,475.10 = 107,455,940.20/x
  3. Step 3: Cross multiply
    349,780,983.40x = 524,671,475.10 × 107,455,940.20
  4. Step 4: Simplify right side
    349,780,983.40x = 56,379,066,652,991,392
  5. Step 5: Solve for x
    x = 56,379,066,652,991,392/349,780,983.40
  6. Step 6: Final answer
    x = 161,183,910.30

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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.