Home / 144,836,227.79-199,849,763.24-85,309,376.07

Finding the Fourth Proportional to 144,836,227.79, 199,849,763.24 and 85,309,376.07

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Solution

The fourth proportional to 144,836,227.79, 199,849,763.24 and 85,309,376.07 is: 117,712,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,836,227.79 : 199,849,763.24 = 85,309,376.07 : x
  2. Step 2: Convert to fraction form
    144,836,227.79/199,849,763.24 = 85,309,376.07/x
  3. Step 3: Cross multiply
    144,836,227.79x = 199,849,763.24 × 85,309,376.07
  4. Step 4: Simplify right side
    144,836,227.79x = 17,049,058,608,742,374
  5. Step 5: Solve for x
    x = 17,049,058,608,742,374/144,836,227.79
  6. Step 6: Final answer
    x = 117,712,666.71

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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.