Home / 76,328,435.50-105,333,161.28-41,521,042.92

Finding the Fourth Proportional to 76,328,435.50, 105,333,161.28 and 41,521,042.92

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Solution

The fourth proportional to 76,328,435.50, 105,333,161.28 and 41,521,042.92 is: 57,298,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328,435.50 : 105,333,161.28 = 41,521,042.92 : x
  2. Step 2: Convert to fraction form
    76,328,435.50/105,333,161.28 = 41,521,042.92/x
  3. Step 3: Cross multiply
    76,328,435.50x = 105,333,161.28 × 41,521,042.92
  4. Step 4: Simplify right side
    76,328,435.50x = 4,373,542,710,406,162.50
  5. Step 5: Solve for x
    x = 4,373,542,710,406,162.50/76,328,435.50
  6. Step 6: Final answer
    x = 57,298,995.87

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1.5x scale

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.