Home / 68,323,611.40-102,336,117.90-53,057,768.20

Finding the Fourth Proportional to 68,323,611.40, 102,336,117.90 and 53,057,768.20

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Solution

The fourth proportional to 68,323,611.40, 102,336,117.90 and 53,057,768.20 is: 79,470,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,323,611.40 : 102,336,117.90 = 53,057,768.20 : x
  2. Step 2: Convert to fraction form
    68,323,611.40/102,336,117.90 = 53,057,768.20/x
  3. Step 3: Cross multiply
    68,323,611.40x = 102,336,117.90 × 53,057,768.20
  4. Step 4: Simplify right side
    68,323,611.40x = 5,429,726,022,026,071
  5. Step 5: Solve for x
    x = 5,429,726,022,026,071/68,323,611.40
  6. Step 6: Final answer
    x = 79,470,711.67

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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.