Home / 191,053,172.54-286,524,342.51-74,442,518.44

Finding the Fourth Proportional to 191,053,172.54, 286,524,342.51 and 74,442,518.44

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Solution

The fourth proportional to 191,053,172.54, 286,524,342.51 and 74,442,518.44 is: 111,642,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,053,172.54 : 286,524,342.51 = 74,442,518.44 : x
  2. Step 2: Convert to fraction form
    191,053,172.54/286,524,342.51 = 74,442,518.44/x
  3. Step 3: Cross multiply
    191,053,172.54x = 286,524,342.51 × 74,442,518.44
  4. Step 4: Simplify right side
    191,053,172.54x = 21,329,593,650,809,548
  5. Step 5: Solve for x
    x = 21,329,593,650,809,548/191,053,172.54
  6. Step 6: Final answer
    x = 111,642,185.09

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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.