Home / 286,290,603.20-429,659,853.60-132,955,659.20

Finding the Fourth Proportional to 286,290,603.20, 429,659,853.60 and 132,955,659.20

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Solution

The fourth proportional to 286,290,603.20, 429,659,853.60 and 132,955,659.20 is: 199,537,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,290,603.20 : 429,659,853.60 = 132,955,659.20 : x
  2. Step 2: Convert to fraction form
    286,290,603.20/429,659,853.60 = 132,955,659.20/x
  3. Step 3: Cross multiply
    286,290,603.20x = 429,659,853.60 × 132,955,659.20
  4. Step 4: Simplify right side
    286,290,603.20x = 57,125,709,067,163,496
  5. Step 5: Solve for x
    x = 57,125,709,067,163,496/286,290,603.20
  6. Step 6: Final answer
    x = 199,537,492.42

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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.