Home / 191,053,227.89-286,524,425.39-74,442,573.79

Finding the Fourth Proportional to 191,053,227.89, 286,524,425.39 and 74,442,573.79

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Solution

The fourth proportional to 191,053,227.89, 286,524,425.39 and 74,442,573.79 is: 111,642,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,053,227.89 : 286,524,425.39 = 74,442,573.79 : x
  2. Step 2: Convert to fraction form
    191,053,227.89/286,524,425.39 = 74,442,573.79/x
  3. Step 3: Cross multiply
    191,053,227.89x = 286,524,425.39 × 74,442,573.79
  4. Step 4: Simplify right side
    191,053,227.89x = 21,329,615,678,643,900
  5. Step 5: Solve for x
    x = 21,329,615,678,643,900/191,053,227.89
  6. Step 6: Final answer
    x = 111,642,268.04

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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.