Home / 107,661,641.20-161,492,461.80-100,008,890.80

Finding the Fourth Proportional to 107,661,641.20, 161,492,461.80 and 100,008,890.80

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Solution

The fourth proportional to 107,661,641.20, 161,492,461.80 and 100,008,890.80 is: 150,013,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,661,641.20 : 161,492,461.80 = 100,008,890.80 : x
  2. Step 2: Convert to fraction form
    107,661,641.20/161,492,461.80 = 100,008,890.80/x
  3. Step 3: Cross multiply
    107,661,641.20x = 161,492,461.80 × 100,008,890.80
  4. Step 4: Simplify right side
    107,661,641.20x = 16,150,681,977,179,372
  5. Step 5: Solve for x
    x = 16,150,681,977,179,372/107,661,641.20
  6. Step 6: Final answer
    x = 150,013,336.20

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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.