Home / 382,289,071.83-573,431,971.13-105,939,496.68

Finding the Fourth Proportional to 382,289,071.83, 573,431,971.13 and 105,939,496.68

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Solution

The fourth proportional to 382,289,071.83, 573,431,971.13 and 105,939,496.68 is: 158,908,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,289,071.83 : 573,431,971.13 = 105,939,496.68 : x
  2. Step 2: Convert to fraction form
    382,289,071.83/573,431,971.13 = 105,939,496.68/x
  3. Step 3: Cross multiply
    382,289,071.83x = 573,431,971.13 × 105,939,496.68
  4. Step 4: Simplify right side
    382,289,071.83x = 60,749,094,401,732,496
  5. Step 5: Solve for x
    x = 60,749,094,401,732,496/382,289,071.83
  6. Step 6: Final answer
    x = 158,908,791.48

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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.