Home / 76,521,780.80-114,782,754.33-19,014,051.96

Finding the Fourth Proportional to 76,521,780.80, 114,782,754.33 and 19,014,051.96

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Solution

The fourth proportional to 76,521,780.80, 114,782,754.33 and 19,014,051.96 is: 28,521,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,521,780.80 : 114,782,754.33 = 19,014,051.96 : x
  2. Step 2: Convert to fraction form
    76,521,780.80/114,782,754.33 = 19,014,051.96/x
  3. Step 3: Cross multiply
    76,521,780.80x = 114,782,754.33 × 19,014,051.96
  4. Step 4: Simplify right side
    76,521,780.80x = 2,182,485,254,942,535
  5. Step 5: Solve for x
    x = 2,182,485,254,942,535/76,521,780.80
  6. Step 6: Final answer
    x = 28,521,098.60

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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.