Home / 72,540,621.36-100,107,685.15-41,175,715.77

Finding the Fourth Proportional to 72,540,621.36, 100,107,685.15 and 41,175,715.77

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Solution

The fourth proportional to 72,540,621.36, 100,107,685.15 and 41,175,715.77 is: 56,823,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,540,621.36 : 100,107,685.15 = 41,175,715.77 : x
  2. Step 2: Convert to fraction form
    72,540,621.36/100,107,685.15 = 41,175,715.77/x
  3. Step 3: Cross multiply
    72,540,621.36x = 100,107,685.15 × 41,175,715.77
  4. Step 4: Simplify right side
    72,540,621.36x = 4,122,005,590,026,110.50
  5. Step 5: Solve for x
    x = 4,122,005,590,026,110.50/72,540,621.36
  6. Step 6: Final answer
    x = 56,823,411.67

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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.