Home / 108,915,790.15-163,408,221.75-38,884,516.39

Finding the Fourth Proportional to 108,915,790.15, 163,408,221.75 and 38,884,516.39

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Solution

The fourth proportional to 108,915,790.15, 163,408,221.75 and 38,884,516.39 is: 58,339,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,790.15 : 163,408,221.75 = 38,884,516.39 : x
  2. Step 2: Convert to fraction form
    108,915,790.15/163,408,221.75 = 38,884,516.39/x
  3. Step 3: Cross multiply
    108,915,790.15x = 163,408,221.75 × 38,884,516.39
  4. Step 4: Simplify right side
    108,915,790.15x = 6,354,049,677,248,706
  5. Step 5: Solve for x
    x = 6,354,049,677,248,706/108,915,790.15
  6. Step 6: Final answer
    x = 58,339,104.63

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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.