Home / 117,488,120.69-162,137,982.18-70,452,851.96

Finding the Fourth Proportional to 117,488,120.69, 162,137,982.18 and 70,452,851.96

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Solution

The fourth proportional to 117,488,120.69, 162,137,982.18 and 70,452,851.96 is: 97,227,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488,120.69 : 162,137,982.18 = 70,452,851.96 : x
  2. Step 2: Convert to fraction form
    117,488,120.69/162,137,982.18 = 70,452,851.96/x
  3. Step 3: Cross multiply
    117,488,120.69x = 162,137,982.18 × 70,452,851.96
  4. Step 4: Simplify right side
    117,488,120.69x = 11,423,083,256,290,202
  5. Step 5: Solve for x
    x = 11,423,083,256,290,202/117,488,120.69
  6. Step 6: Final answer
    x = 97,227,559.59

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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.