Home / 319,881,676.50-479,822,514.75-77,544,580.50

Finding the Fourth Proportional to 319,881,676.50, 479,822,514.75 and 77,544,580.50

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Solution

The fourth proportional to 319,881,676.50, 479,822,514.75 and 77,544,580.50 is: 116,316,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,881,676.50 : 479,822,514.75 = 77,544,580.50 : x
  2. Step 2: Convert to fraction form
    319,881,676.50/479,822,514.75 = 77,544,580.50/x
  3. Step 3: Cross multiply
    319,881,676.50x = 479,822,514.75 × 77,544,580.50
  4. Step 4: Simplify right side
    319,881,676.50x = 37,207,635,620,743,816
  5. Step 5: Solve for x
    x = 37,207,635,620,743,816/319,881,676.50
  6. Step 6: Final answer
    x = 116,316,870.75

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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.