Home / 141,371,542.80-212,057,314.20-105,091,837.20

Finding the Fourth Proportional to 141,371,542.80, 212,057,314.20 and 105,091,837.20

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Solution

The fourth proportional to 141,371,542.80, 212,057,314.20 and 105,091,837.20 is: 157,637,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,371,542.80 : 212,057,314.20 = 105,091,837.20 : x
  2. Step 2: Convert to fraction form
    141,371,542.80/212,057,314.20 = 105,091,837.20/x
  3. Step 3: Cross multiply
    141,371,542.80x = 212,057,314.20 × 105,091,837.20
  4. Step 4: Simplify right side
    141,371,542.80x = 22,285,492,740,975,648
  5. Step 5: Solve for x
    x = 22,285,492,740,975,648/141,371,542.80
  6. Step 6: Final answer
    x = 157,637,755.80

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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.