Home / 115,052,407.20-172,431,644.40-46,818,007.20

Finding the Fourth Proportional to 115,052,407.20, 172,431,644.40 and 46,818,007.20

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Solution

The fourth proportional to 115,052,407.20, 172,431,644.40 and 46,818,007.20 is: 70,167,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,052,407.20 : 172,431,644.40 = 46,818,007.20 : x
  2. Step 2: Convert to fraction form
    115,052,407.20/172,431,644.40 = 46,818,007.20/x
  3. Step 3: Cross multiply
    115,052,407.20x = 172,431,644.40 × 46,818,007.20
  4. Step 4: Simplify right side
    115,052,407.20x = 8,072,905,969,027,040
  5. Step 5: Solve for x
    x = 8,072,905,969,027,040/115,052,407.20
  6. Step 6: Final answer
    x = 70,167,206.11

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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.