Home / 108,349,619.60-162,524,429.40-40,178,205.20

Finding the Fourth Proportional to 108,349,619.60, 162,524,429.40 and 40,178,205.20

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Solution

The fourth proportional to 108,349,619.60, 162,524,429.40 and 40,178,205.20 is: 60,267,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,349,619.60 : 162,524,429.40 = 40,178,205.20 : x
  2. Step 2: Convert to fraction form
    108,349,619.60/162,524,429.40 = 40,178,205.20/x
  3. Step 3: Cross multiply
    108,349,619.60x = 162,524,429.40 × 40,178,205.20
  4. Step 4: Simplify right side
    108,349,619.60x = 6,529,939,874,446,114
  5. Step 5: Solve for x
    x = 6,529,939,874,446,114/108,349,619.60
  6. Step 6: Final answer
    x = 60,267,307.80

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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.