Home / 102,193,754,265.45-153,296,045,009.78-31,497,022,512.81

Finding the Fourth Proportional to 102,193,754,265.45, 153,296,045,009.78 and 31,497,022,512.81

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Solution

The fourth proportional to 102,193,754,265.45, 153,296,045,009.78 and 31,497,022,512.81 is: 47,247,202,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193,754,265.45 : 153,296,045,009.78 = 31,497,022,512.81 : x
  2. Step 2: Convert to fraction form
    102,193,754,265.45/153,296,045,009.78 = 31,497,022,512.81/x
  3. Step 3: Cross multiply
    102,193,754,265.45x = 153,296,045,009.78 × 31,497,022,512.81
  4. Step 4: Simplify right side
    102,193,754,265.45x = 4,828,368,980,797,775,937,536
  5. Step 5: Solve for x
    x = 4,828,368,980,797,775,937,536/102,193,754,265.45
  6. Step 6: Final answer
    x = 47,247,202,292.38

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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.