Home / 300,433,818.53-414,801,125.51-187,575,319.32

Finding the Fourth Proportional to 300,433,818.53, 414,801,125.51 and 187,575,319.32

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Solution

The fourth proportional to 300,433,818.53, 414,801,125.51 and 187,575,319.32 is: 258,980,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,433,818.53 : 414,801,125.51 = 187,575,319.32 : x
  2. Step 2: Convert to fraction form
    300,433,818.53/414,801,125.51 = 187,575,319.32/x
  3. Step 3: Cross multiply
    300,433,818.53x = 414,801,125.51 × 187,575,319.32
  4. Step 4: Simplify right side
    300,433,818.53x = 77,806,453,571,833,648
  5. Step 5: Solve for x
    x = 77,806,453,571,833,648/300,433,818.53
  6. Step 6: Final answer
    x = 258,980,343.67

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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.