Home / 299,019,794.40-448,613,672.40-145,670,853.60

Finding the Fourth Proportional to 299,019,794.40, 448,613,672.40 and 145,670,853.60

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Solution

The fourth proportional to 299,019,794.40, 448,613,672.40 and 145,670,853.60 is: 218,547,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,019,794.40 : 448,613,672.40 = 145,670,853.60 : x
  2. Step 2: Convert to fraction form
    299,019,794.40/448,613,672.40 = 145,670,853.60/x
  3. Step 3: Cross multiply
    299,019,794.40x = 448,613,672.40 × 145,670,853.60
  4. Step 4: Simplify right side
    299,019,794.40x = 65,349,936,595,138,752
  5. Step 5: Solve for x
    x = 65,349,936,595,138,752/299,019,794.40
  6. Step 6: Final answer
    x = 218,547,192.59

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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.