Home / 74,239,756.07-102,453,193.17-42,877,222.43

Finding the Fourth Proportional to 74,239,756.07, 102,453,193.17 and 42,877,222.43

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Solution

The fourth proportional to 74,239,756.07, 102,453,193.17 and 42,877,222.43 is: 59,171,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,239,756.07 : 102,453,193.17 = 42,877,222.43 : x
  2. Step 2: Convert to fraction form
    74,239,756.07/102,453,193.17 = 42,877,222.43/x
  3. Step 3: Cross multiply
    74,239,756.07x = 102,453,193.17 × 42,877,222.43
  4. Step 4: Simplify right side
    74,239,756.07x = 4,392,908,351,701,580.50
  5. Step 5: Solve for x
    x = 4,392,908,351,701,580.50/74,239,756.07
  6. Step 6: Final answer
    x = 59,171,912.52

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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.