Home / 115,660,439,021.57-173,399,415,094.89-73,075,576,498.00

Finding the Fourth Proportional to 115,660,439,021.57, 173,399,415,094.89 and 73,075,576,498.00

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Solution

The fourth proportional to 115,660,439,021.57, 173,399,415,094.89 and 73,075,576,498.00 is: 109,555,716,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,660,439,021.57 : 173,399,415,094.89 = 73,075,576,498.00 : x
  2. Step 2: Convert to fraction form
    115,660,439,021.57/173,399,415,094.89 = 73,075,576,498.00/x
  3. Step 3: Cross multiply
    115,660,439,021.57x = 173,399,415,094.89 × 73,075,576,498.00
  4. Step 4: Simplify right side
    115,660,439,021.57x = 12,671,262,222,474,570,366,976
  5. Step 5: Solve for x
    x = 12,671,262,222,474,570,366,976/115,660,439,021.57
  6. Step 6: Final answer
    x = 109,555,716,108.87

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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.