Home / 98,413,738.70-147,620,608.06-47,283,428.30

Finding the Fourth Proportional to 98,413,738.70, 147,620,608.06 and 47,283,428.30

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Solution

The fourth proportional to 98,413,738.70, 147,620,608.06 and 47,283,428.30 is: 70,925,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413,738.70 : 147,620,608.06 = 47,283,428.30 : x
  2. Step 2: Convert to fraction form
    98,413,738.70/147,620,608.06 = 47,283,428.30/x
  3. Step 3: Cross multiply
    98,413,738.70x = 147,620,608.06 × 47,283,428.30
  4. Step 4: Simplify right side
    98,413,738.70x = 6,980,008,436,807,412
  5. Step 5: Solve for x
    x = 6,980,008,436,807,412/98,413,738.70
  6. Step 6: Final answer
    x = 70,925,142.45

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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.