Home / 119,892,503.45-179,515,407.63-78,290,324.03

Finding the Fourth Proportional to 119,892,503.45, 179,515,407.63 and 78,290,324.03

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Solution

The fourth proportional to 119,892,503.45, 179,515,407.63 and 78,290,324.03 is: 117,224,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,892,503.45 : 179,515,407.63 = 78,290,324.03 : x
  2. Step 2: Convert to fraction form
    119,892,503.45/179,515,407.63 = 78,290,324.03/x
  3. Step 3: Cross multiply
    119,892,503.45x = 179,515,407.63 × 78,290,324.03
  4. Step 4: Simplify right side
    119,892,503.45x = 14,054,319,431,338,782
  5. Step 5: Solve for x
    x = 14,054,319,431,338,782/119,892,503.45
  6. Step 6: Final answer
    x = 117,224,338.69

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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.