Home / 141,453,452.80-211,755,026.40-83,916,107.20

Finding the Fourth Proportional to 141,453,452.80, 211,755,026.40 and 83,916,107.20

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Solution

The fourth proportional to 141,453,452.80, 211,755,026.40 and 83,916,107.20 is: 125,621,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453,452.80 : 211,755,026.40 = 83,916,107.20 : x
  2. Step 2: Convert to fraction form
    141,453,452.80/211,755,026.40 = 83,916,107.20/x
  3. Step 3: Cross multiply
    141,453,452.80x = 211,755,026.40 × 83,916,107.20
  4. Step 4: Simplify right side
    141,453,452.80x = 17,769,657,495,521,232
  5. Step 5: Solve for x
    x = 17,769,657,495,521,232/141,453,452.80
  6. Step 6: Final answer
    x = 125,621,942.37

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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.