Home / 112,331,256.80-168,496,885.20-99,576,672.80

Finding the Fourth Proportional to 112,331,256.80, 168,496,885.20 and 99,576,672.80

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Solution

The fourth proportional to 112,331,256.80, 168,496,885.20 and 99,576,672.80 is: 149,365,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,256.80 : 168,496,885.20 = 99,576,672.80 : x
  2. Step 2: Convert to fraction form
    112,331,256.80/168,496,885.20 = 99,576,672.80/x
  3. Step 3: Cross multiply
    112,331,256.80x = 168,496,885.20 × 99,576,672.80
  4. Step 4: Simplify right side
    112,331,256.80x = 16,778,359,205,379,560
  5. Step 5: Solve for x
    x = 16,778,359,205,379,560/112,331,256.80
  6. Step 6: Final answer
    x = 149,365,009.20

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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.