Home / 156,452,556.30-234,678,834.45-113,985,228.30

Finding the Fourth Proportional to 156,452,556.30, 234,678,834.45 and 113,985,228.30

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Solution

The fourth proportional to 156,452,556.30, 234,678,834.45 and 113,985,228.30 is: 170,977,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,452,556.30 : 234,678,834.45 = 113,985,228.30 : x
  2. Step 2: Convert to fraction form
    156,452,556.30/234,678,834.45 = 113,985,228.30/x
  3. Step 3: Cross multiply
    156,452,556.30x = 234,678,834.45 × 113,985,228.30
  4. Step 4: Simplify right side
    156,452,556.30x = 26,749,920,521,961,152
  5. Step 5: Solve for x
    x = 26,749,920,521,961,152/156,452,556.30
  6. Step 6: Final answer
    x = 170,977,842.45

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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.