Home / 198,087,647.76-273,369,491.56-109,981,649.76

Finding the Fourth Proportional to 198,087,647.76, 273,369,491.56 and 109,981,649.76

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Solution

The fourth proportional to 198,087,647.76, 273,369,491.56 and 109,981,649.76 is: 151,779,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,087,647.76 : 273,369,491.56 = 109,981,649.76 : x
  2. Step 2: Convert to fraction form
    198,087,647.76/273,369,491.56 = 109,981,649.76/x
  3. Step 3: Cross multiply
    198,087,647.76x = 273,369,491.56 × 109,981,649.76
  4. Step 4: Simplify right side
    198,087,647.76x = 30,065,627,675,821,196
  5. Step 5: Solve for x
    x = 30,065,627,675,821,196/198,087,647.76
  6. Step 6: Final answer
    x = 151,779,416.92

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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.