Home / 163,946,024.82-245,767,701.70-81,993,589.56

Finding the Fourth Proportional to 163,946,024.82, 245,767,701.70 and 81,993,589.56

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Solution

The fourth proportional to 163,946,024.82, 245,767,701.70 and 81,993,589.56 is: 122,914,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,946,024.82 : 245,767,701.70 = 81,993,589.56 : x
  2. Step 2: Convert to fraction form
    163,946,024.82/245,767,701.70 = 81,993,589.56/x
  3. Step 3: Cross multiply
    163,946,024.82x = 245,767,701.70 × 81,993,589.56
  4. Step 4: Simplify right side
    163,946,024.82x = 20,151,376,060,294,312
  5. Step 5: Solve for x
    x = 20,151,376,060,294,312/163,946,024.82
  6. Step 6: Final answer
    x = 122,914,697.58

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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.