Home / 115,505,559.28-173,141,754.02-72,405,029.87

Finding the Fourth Proportional to 115,505,559.28, 173,141,754.02 and 72,405,029.87

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Solution

The fourth proportional to 115,505,559.28, 173,141,754.02 and 72,405,029.87 is: 108,534,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,505,559.28 : 173,141,754.02 = 72,405,029.87 : x
  2. Step 2: Convert to fraction form
    115,505,559.28/173,141,754.02 = 72,405,029.87/x
  3. Step 3: Cross multiply
    115,505,559.28x = 173,141,754.02 × 72,405,029.87
  4. Step 4: Simplify right side
    115,505,559.28x = 12,536,333,871,562,294
  5. Step 5: Solve for x
    x = 12,536,333,871,562,294/115,505,559.28
  6. Step 6: Final answer
    x = 108,534,463.19

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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.