Home / 82,609,871.10-123,914,806.65-39,563,150.10

Finding the Fourth Proportional to 82,609,871.10, 123,914,806.65 and 39,563,150.10

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Solution

The fourth proportional to 82,609,871.10, 123,914,806.65 and 39,563,150.10 is: 59,344,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,609,871.10 : 123,914,806.65 = 39,563,150.10 : x
  2. Step 2: Convert to fraction form
    82,609,871.10/123,914,806.65 = 39,563,150.10/x
  3. Step 3: Cross multiply
    82,609,871.10x = 123,914,806.65 × 39,563,150.10
  4. Step 4: Simplify right side
    82,609,871.10x = 4,902,460,095,106,429
  5. Step 5: Solve for x
    x = 4,902,460,095,106,429/82,609,871.10
  6. Step 6: Final answer
    x = 59,344,725.15

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Double scale
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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.