Home / 199,433,839.74-299,256,085.53-141,515,770.25

Finding the Fourth Proportional to 199,433,839.74, 299,256,085.53 and 141,515,770.25

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Solution

The fourth proportional to 199,433,839.74, 299,256,085.53 and 141,515,770.25 is: 212,348,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,433,839.74 : 299,256,085.53 = 141,515,770.25 : x
  2. Step 2: Convert to fraction form
    199,433,839.74/299,256,085.53 = 141,515,770.25/x
  3. Step 3: Cross multiply
    199,433,839.74x = 299,256,085.53 × 141,515,770.25
  4. Step 4: Simplify right side
    199,433,839.74x = 42,349,455,444,281,544
  5. Step 5: Solve for x
    x = 42,349,455,444,281,544/199,433,839.74
  6. Step 6: Final answer
    x = 212,348,393.33

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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.