Home / 186,899,274.72-257,926,202.24-103,272,817.36

Finding the Fourth Proportional to 186,899,274.72, 257,926,202.24 and 103,272,817.36

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Solution

The fourth proportional to 186,899,274.72, 257,926,202.24 and 103,272,817.36 is: 142,519,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899,274.72 : 257,926,202.24 = 103,272,817.36 : x
  2. Step 2: Convert to fraction form
    186,899,274.72/257,926,202.24 = 103,272,817.36/x
  3. Step 3: Cross multiply
    186,899,274.72x = 257,926,202.24 × 103,272,817.36
  4. Step 4: Simplify right side
    186,899,274.72x = 26,636,765,576,289,944
  5. Step 5: Solve for x
    x = 26,636,765,576,289,944/186,899,274.72
  6. Step 6: Final answer
    x = 142,519,362.99

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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.