Home / 98,802,806.50-136,347,505.71-54,749,770.43

Finding the Fourth Proportional to 98,802,806.50, 136,347,505.71 and 54,749,770.43

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Solution

The fourth proportional to 98,802,806.50, 136,347,505.71 and 54,749,770.43 is: 75,554,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,802,806.50 : 136,347,505.71 = 54,749,770.43 : x
  2. Step 2: Convert to fraction form
    98,802,806.50/136,347,505.71 = 54,749,770.43/x
  3. Step 3: Cross multiply
    98,802,806.50x = 136,347,505.71 × 54,749,770.43
  4. Step 4: Simplify right side
    98,802,806.50x = 7,464,994,635,438,565
  5. Step 5: Solve for x
    x = 7,464,994,635,438,565/98,802,806.50
  6. Step 6: Final answer
    x = 75,554,479.67

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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.