Home / 160,435,922-221,404,255.08-87,097,063.76

Finding the Fourth Proportional to 160,435,922, 221,404,255.08 and 87,097,063.76

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Solution

The fourth proportional to 160,435,922, 221,404,255.08 and 87,097,063.76 is: 120,195,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,435,922 : 221,404,255.08 = 87,097,063.76 : x
  2. Step 2: Convert to fraction form
    160,435,922/221,404,255.08 = 87,097,063.76/x
  3. Step 3: Cross multiply
    160,435,922x = 221,404,255.08 × 87,097,063.76
  4. Step 4: Simplify right side
    160,435,922x = 19,283,660,521,438,068
  5. Step 5: Solve for x
    x = 19,283,660,521,438,068/160,435,922
  6. Step 6: Final answer
    x = 120,195,404.38

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1.5x scale

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.