Home / 76,521,780.69-114,782,754.19-19,014,051.86

Finding the Fourth Proportional to 76,521,780.69, 114,782,754.19 and 19,014,051.86

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Solution

The fourth proportional to 76,521,780.69, 114,782,754.19 and 19,014,051.86 is: 28,521,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,521,780.69 : 114,782,754.19 = 19,014,051.86 : x
  2. Step 2: Convert to fraction form
    76,521,780.69/114,782,754.19 = 19,014,051.86/x
  3. Step 3: Cross multiply
    76,521,780.69x = 114,782,754.19 × 19,014,051.86
  4. Step 4: Simplify right side
    76,521,780.69x = 2,182,485,240,323,951.25
  5. Step 5: Solve for x
    x = 2,182,485,240,323,951.25/76,521,780.69
  6. Step 6: Final answer
    x = 28,521,098.45

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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.