Home / 283,261,619.40-390,891,867.52-162,579,471

Finding the Fourth Proportional to 283,261,619.40, 390,891,867.52 and 162,579,471

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Solution

The fourth proportional to 283,261,619.40, 390,891,867.52 and 162,579,471 is: 224,354,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,261,619.40 : 390,891,867.52 = 162,579,471 : x
  2. Step 2: Convert to fraction form
    283,261,619.40/390,891,867.52 = 162,579,471/x
  3. Step 3: Cross multiply
    283,261,619.40x = 390,891,867.52 × 162,579,471
  4. Step 4: Simplify right side
    283,261,619.40x = 63,550,993,039,603,680
  5. Step 5: Solve for x
    x = 63,550,993,039,603,680/283,261,619.40
  6. Step 6: Final answer
    x = 224,354,408.39

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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.