Home / 76,619,465.70-105,737,108.52-41,814,393.96

Finding the Fourth Proportional to 76,619,465.70, 105,737,108.52 and 41,814,393.96

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Solution

The fourth proportional to 76,619,465.70, 105,737,108.52 and 41,814,393.96 is: 57,705,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,619,465.70 : 105,737,108.52 = 41,814,393.96 : x
  2. Step 2: Convert to fraction form
    76,619,465.70/105,737,108.52 = 41,814,393.96/x
  3. Step 3: Cross multiply
    76,619,465.70x = 105,737,108.52 × 41,814,393.96
  4. Step 4: Simplify right side
    76,619,465.70x = 4,421,333,111,846,552.50
  5. Step 5: Solve for x
    x = 4,421,333,111,846,552.50/76,619,465.70
  6. Step 6: Final answer
    x = 57,705,089.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.