Home / 286,021,252.06-429,035,863.91-81,549,327.31

Finding the Fourth Proportional to 286,021,252.06, 429,035,863.91 and 81,549,327.31

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Solution

The fourth proportional to 286,021,252.06, 429,035,863.91 and 81,549,327.31 is: 122,325,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,021,252.06 : 429,035,863.91 = 81,549,327.31 : x
  2. Step 2: Convert to fraction form
    286,021,252.06/429,035,863.91 = 81,549,327.31/x
  3. Step 3: Cross multiply
    286,021,252.06x = 429,035,863.91 × 81,549,327.31
  4. Step 4: Simplify right side
    286,021,252.06x = 34,987,586,093,317,460
  5. Step 5: Solve for x
    x = 34,987,586,093,317,460/286,021,252.06
  6. Step 6: Final answer
    x = 122,325,127.39

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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.