Home / 349,780,982.40-524,671,473.60-107,455,939.20

Finding the Fourth Proportional to 349,780,982.40, 524,671,473.60 and 107,455,939.20

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Solution

The fourth proportional to 349,780,982.40, 524,671,473.60 and 107,455,939.20 is: 161,183,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,780,982.40 : 524,671,473.60 = 107,455,939.20 : x
  2. Step 2: Convert to fraction form
    349,780,982.40/524,671,473.60 = 107,455,939.20/x
  3. Step 3: Cross multiply
    349,780,982.40x = 524,671,473.60 × 107,455,939.20
  4. Step 4: Simplify right side
    349,780,982.40x = 56,379,065,967,136,008
  5. Step 5: Solve for x
    x = 56,379,065,967,136,008/349,780,982.40
  6. Step 6: Final answer
    x = 161,183,908.80

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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.