Home / 251,771,295.69-377,561,284.11-120,478,803.93

Finding the Fourth Proportional to 251,771,295.69, 377,561,284.11 and 120,478,803.93

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Solution

The fourth proportional to 251,771,295.69, 377,561,284.11 and 120,478,803.93 is: 180,672,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,771,295.69 : 377,561,284.11 = 120,478,803.93 : x
  2. Step 2: Convert to fraction form
    251,771,295.69/377,561,284.11 = 120,478,803.93/x
  3. Step 3: Cross multiply
    251,771,295.69x = 377,561,284.11 × 120,478,803.93
  4. Step 4: Simplify right side
    251,771,295.69x = 45,488,131,919,847,720
  5. Step 5: Solve for x
    x = 45,488,131,919,847,720/251,771,295.69
  6. Step 6: Final answer
    x = 180,672,430.49

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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.