Home / 223,102,274.88-307,888,615.86-123,987,199.80

Finding the Fourth Proportional to 223,102,274.88, 307,888,615.86 and 123,987,199.80

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Solution

The fourth proportional to 223,102,274.88, 307,888,615.86 and 123,987,199.80 is: 171,106,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,102,274.88 : 307,888,615.86 = 123,987,199.80 : x
  2. Step 2: Convert to fraction form
    223,102,274.88/307,888,615.86 = 123,987,199.80/x
  3. Step 3: Cross multiply
    223,102,274.88x = 307,888,615.86 × 123,987,199.80
  4. Step 4: Simplify right side
    223,102,274.88x = 38,174,247,330,779,272
  5. Step 5: Solve for x
    x = 38,174,247,330,779,272/223,102,274.88
  6. Step 6: Final answer
    x = 171,106,490.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.