Home / 160,610,841.95-221,644,290.50-87,271,983.95

Finding the Fourth Proportional to 160,610,841.95, 221,644,290.50 and 87,271,983.95

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Solution

The fourth proportional to 160,610,841.95, 221,644,290.50 and 87,271,983.95 is: 120,436,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,610,841.95 : 221,644,290.50 = 87,271,983.95 : x
  2. Step 2: Convert to fraction form
    160,610,841.95/221,644,290.50 = 87,271,983.95/x
  3. Step 3: Cross multiply
    160,610,841.95x = 221,644,290.50 × 87,271,983.95
  4. Step 4: Simplify right side
    160,610,841.95x = 19,343,336,961,580,556
  5. Step 5: Solve for x
    x = 19,343,336,961,580,556/160,610,841.95
  6. Step 6: Final answer
    x = 120,436,059.78

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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.