Home / 98,839,656.29-136,405,291.21-54,788,511.80

Finding the Fourth Proportional to 98,839,656.29, 136,405,291.21 and 54,788,511.80

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Solution

The fourth proportional to 98,839,656.29, 136,405,291.21 and 54,788,511.80 is: 75,611,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,839,656.29 : 136,405,291.21 = 54,788,511.80 : x
  2. Step 2: Convert to fraction form
    98,839,656.29/136,405,291.21 = 54,788,511.80/x
  3. Step 3: Cross multiply
    98,839,656.29x = 136,405,291.21 × 54,788,511.80
  4. Step 4: Simplify right side
    98,839,656.29x = 7,473,442,907,245,564
  5. Step 5: Solve for x
    x = 7,473,442,907,245,564/98,839,656.29
  6. Step 6: Final answer
    x = 75,611,785.67

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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.