Home / 55,031,687.10-82,547,530.65-31,143,815.10

Finding the Fourth Proportional to 55,031,687.10, 82,547,530.65 and 31,143,815.10

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Solution

The fourth proportional to 55,031,687.10, 82,547,530.65 and 31,143,815.10 is: 46,715,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031,687.10 : 82,547,530.65 = 31,143,815.10 : x
  2. Step 2: Convert to fraction form
    55,031,687.10/82,547,530.65 = 31,143,815.10/x
  3. Step 3: Cross multiply
    55,031,687.10x = 82,547,530.65 × 31,143,815.10
  4. Step 4: Simplify right side
    55,031,687.10x = 2,570,845,031,525,183
  5. Step 5: Solve for x
    x = 2,570,845,031,525,183/55,031,687.10
  6. Step 6: Final answer
    x = 46,715,722.65

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.