Home / 115,441,036.80-173,161,555.20-71,603,059.20

Finding the Fourth Proportional to 115,441,036.80, 173,161,555.20 and 71,603,059.20

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Solution

The fourth proportional to 115,441,036.80, 173,161,555.20 and 71,603,059.20 is: 107,404,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,441,036.80 : 173,161,555.20 = 71,603,059.20 : x
  2. Step 2: Convert to fraction form
    115,441,036.80/173,161,555.20 = 71,603,059.20/x
  3. Step 3: Cross multiply
    115,441,036.80x = 173,161,555.20 × 71,603,059.20
  4. Step 4: Simplify right side
    115,441,036.80x = 12,398,897,088,149,668
  5. Step 5: Solve for x
    x = 12,398,897,088,149,668/115,441,036.80
  6. Step 6: Final answer
    x = 107,404,588.80

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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.