Home / 112,172,576.14-154,823,983.11-65,777,776.84

Finding the Fourth Proportional to 112,172,576.14, 154,823,983.11 and 65,777,776.84

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Solution

The fourth proportional to 112,172,576.14, 154,823,983.11 and 65,777,776.84 is: 90,788,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172,576.14 : 154,823,983.11 = 65,777,776.84 : x
  2. Step 2: Convert to fraction form
    112,172,576.14/154,823,983.11 = 65,777,776.84/x
  3. Step 3: Cross multiply
    112,172,576.14x = 154,823,983.11 × 65,777,776.84
  4. Step 4: Simplify right side
    112,172,576.14x = 10,183,977,411,210,840
  5. Step 5: Solve for x
    x = 10,183,977,411,210,840/112,172,576.14
  6. Step 6: Final answer
    x = 90,788,477.55

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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.