Home / 210,554,317.99-290,542,589.40-116,453,511.76

Finding the Fourth Proportional to 210,554,317.99, 290,542,589.40 and 116,453,511.76

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Solution

The fourth proportional to 210,554,317.99, 290,542,589.40 and 116,453,511.76 is: 160,693,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,554,317.99 : 290,542,589.40 = 116,453,511.76 : x
  2. Step 2: Convert to fraction form
    210,554,317.99/290,542,589.40 = 116,453,511.76/x
  3. Step 3: Cross multiply
    210,554,317.99x = 290,542,589.40 × 116,453,511.76
  4. Step 4: Simplify right side
    210,554,317.99x = 33,834,704,851,473,752
  5. Step 5: Solve for x
    x = 33,834,704,851,473,752/210,554,317.99
  6. Step 6: Final answer
    x = 160,693,474.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.