Home / 123,959,891.40-185,939,837.10-116,401,619.40

Finding the Fourth Proportional to 123,959,891.40, 185,939,837.10 and 116,401,619.40

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Solution

The fourth proportional to 123,959,891.40, 185,939,837.10 and 116,401,619.40 is: 174,602,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959,891.40 : 185,939,837.10 = 116,401,619.40 : x
  2. Step 2: Convert to fraction form
    123,959,891.40/185,939,837.10 = 116,401,619.40/x
  3. Step 3: Cross multiply
    123,959,891.40x = 185,939,837.10 × 116,401,619.40
  4. Step 4: Simplify right side
    123,959,891.40x = 21,643,698,149,412,200
  5. Step 5: Solve for x
    x = 21,643,698,149,412,200/123,959,891.40
  6. Step 6: Final answer
    x = 174,602,429.10

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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.