Home / 141,245,403.20-211,868,104.80-73,108,980.80

Finding the Fourth Proportional to 141,245,403.20, 211,868,104.80 and 73,108,980.80

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Solution

The fourth proportional to 141,245,403.20, 211,868,104.80 and 73,108,980.80 is: 109,663,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,245,403.20 : 211,868,104.80 = 73,108,980.80 : x
  2. Step 2: Convert to fraction form
    141,245,403.20/211,868,104.80 = 73,108,980.80/x
  3. Step 3: Cross multiply
    141,245,403.20x = 211,868,104.80 × 73,108,980.80
  4. Step 4: Simplify right side
    141,245,403.20x = 15,489,461,205,955,588
  5. Step 5: Solve for x
    x = 15,489,461,205,955,588/141,245,403.20
  6. Step 6: Final answer
    x = 109,663,471.20

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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.