Home / 120,053,556.54-165,675,789-70,495,026.12

Finding the Fourth Proportional to 120,053,556.54, 165,675,789 and 70,495,026.12

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Solution

The fourth proportional to 120,053,556.54, 165,675,789 and 70,495,026.12 is: 97,284,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,053,556.54 : 165,675,789 = 70,495,026.12 : x
  2. Step 2: Convert to fraction form
    120,053,556.54/165,675,789 = 70,495,026.12/x
  3. Step 3: Cross multiply
    120,053,556.54x = 165,675,789 × 70,495,026.12
  4. Step 4: Simplify right side
    120,053,556.54x = 11,679,319,073,006,610
  5. Step 5: Solve for x
    x = 11,679,319,073,006,610/120,053,556.54
  6. Step 6: Final answer
    x = 97,284,240.55

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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.