Home / 141,453,451.80-211,755,024.90-83,916,106.20

Finding the Fourth Proportional to 141,453,451.80, 211,755,024.90 and 83,916,106.20

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Solution

The fourth proportional to 141,453,451.80, 211,755,024.90 and 83,916,106.20 is: 125,621,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453,451.80 : 211,755,024.90 = 83,916,106.20 : x
  2. Step 2: Convert to fraction form
    141,453,451.80/211,755,024.90 = 83,916,106.20/x
  3. Step 3: Cross multiply
    141,453,451.80x = 211,755,024.90 × 83,916,106.20
  4. Step 4: Simplify right side
    141,453,451.80x = 17,769,657,157,892,046
  5. Step 5: Solve for x
    x = 17,769,657,157,892,046/141,453,451.80
  6. Step 6: Final answer
    x = 125,621,940.87

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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.