Home / 100,593,818.94-150,890,740.10-31,512,005.77

Finding the Fourth Proportional to 100,593,818.94, 150,890,740.10 and 31,512,005.77

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Solution

The fourth proportional to 100,593,818.94, 150,890,740.10 and 31,512,005.77 is: 47,268,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,593,818.94 : 150,890,740.10 = 31,512,005.77 : x
  2. Step 2: Convert to fraction form
    100,593,818.94/150,890,740.10 = 31,512,005.77/x
  3. Step 3: Cross multiply
    100,593,818.94x = 150,890,740.10 × 31,512,005.77
  4. Step 4: Simplify right side
    100,593,818.94x = 4,754,869,872,670,770
  5. Step 5: Solve for x
    x = 4,754,869,872,670,770/100,593,818.94
  6. Step 6: Final answer
    x = 47,268,012.32

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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.