Home / 57,095,820.16-78,792,311.48-30,990,343.34

Finding the Fourth Proportional to 57,095,820.16, 78,792,311.48 and 30,990,343.34

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Solution

The fourth proportional to 57,095,820.16, 78,792,311.48 and 30,990,343.34 is: 42,766,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,820.16 : 78,792,311.48 = 30,990,343.34 : x
  2. Step 2: Convert to fraction form
    57,095,820.16/78,792,311.48 = 30,990,343.34/x
  3. Step 3: Cross multiply
    57,095,820.16x = 78,792,311.48 × 30,990,343.34
  4. Step 4: Simplify right side
    57,095,820.16x = 2,441,800,785,317,423.50
  5. Step 5: Solve for x
    x = 2,441,800,785,317,423.50/57,095,820.16
  6. Step 6: Final answer
    x = 42,766,717.05

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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.