Home / 286,501,809.60-429,752,714.40-82,029,884.85

Finding the Fourth Proportional to 286,501,809.60, 429,752,714.40 and 82,029,884.85

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Solution

The fourth proportional to 286,501,809.60, 429,752,714.40 and 82,029,884.85 is: 123,044,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,501,809.60 : 429,752,714.40 = 82,029,884.85 : x
  2. Step 2: Convert to fraction form
    286,501,809.60/429,752,714.40 = 82,029,884.85/x
  3. Step 3: Cross multiply
    286,501,809.60x = 429,752,714.40 × 82,029,884.85
  4. Step 4: Simplify right side
    286,501,809.60x = 35,252,565,676,206,932
  5. Step 5: Solve for x
    x = 35,252,565,676,206,932/286,501,809.60
  6. Step 6: Final answer
    x = 123,044,827.28

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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.