Home / 42,706,389.21-64,059,350.49-10,358,229.21

Finding the Fourth Proportional to 42,706,389.21, 64,059,350.49 and 10,358,229.21

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Solution

The fourth proportional to 42,706,389.21, 64,059,350.49 and 10,358,229.21 is: 15,537,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,706,389.21 : 64,059,350.49 = 10,358,229.21 : x
  2. Step 2: Convert to fraction form
    42,706,389.21/64,059,350.49 = 10,358,229.21/x
  3. Step 3: Cross multiply
    42,706,389.21x = 64,059,350.49 × 10,358,229.21
  4. Step 4: Simplify right side
    42,706,389.21x = 663,541,435,419,145.88
  5. Step 5: Solve for x
    x = 663,541,435,419,145.88/42,706,389.21
  6. Step 6: Final answer
    x = 15,537,287.22

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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.