Home / 93,144,493.20-139,716,739.80-31,802,915.78

Finding the Fourth Proportional to 93,144,493.20, 139,716,739.80 and 31,802,915.78

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Solution

The fourth proportional to 93,144,493.20, 139,716,739.80 and 31,802,915.78 is: 47,704,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144,493.20 : 139,716,739.80 = 31,802,915.78 : x
  2. Step 2: Convert to fraction form
    93,144,493.20/139,716,739.80 = 31,802,915.78/x
  3. Step 3: Cross multiply
    93,144,493.20x = 139,716,739.80 × 31,802,915.78
  4. Step 4: Simplify right side
    93,144,493.20x = 4,443,399,708,915,574.50
  5. Step 5: Solve for x
    x = 4,443,399,708,915,574.50/93,144,493.20
  6. Step 6: Final answer
    x = 47,704,373.67

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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.