Home / 201,781,826.40-302,672,739.60-56,237,851.20

Finding the Fourth Proportional to 201,781,826.40, 302,672,739.60 and 56,237,851.20

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Solution

The fourth proportional to 201,781,826.40, 302,672,739.60 and 56,237,851.20 is: 84,356,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,781,826.40 : 302,672,739.60 = 56,237,851.20 : x
  2. Step 2: Convert to fraction form
    201,781,826.40/302,672,739.60 = 56,237,851.20/x
  3. Step 3: Cross multiply
    201,781,826.40x = 302,672,739.60 × 56,237,851.20
  4. Step 4: Simplify right side
    201,781,826.40x = 17,021,664,491,921,150
  5. Step 5: Solve for x
    x = 17,021,664,491,921,150/201,781,826.40
  6. Step 6: Final answer
    x = 84,356,776.80

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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.