Home / 286,021,279.77-429,035,905.44-81,549,355.02

Finding the Fourth Proportional to 286,021,279.77, 429,035,905.44 and 81,549,355.02

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Solution

The fourth proportional to 286,021,279.77, 429,035,905.44 and 81,549,355.02 is: 122,325,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,021,279.77 : 429,035,905.44 = 81,549,355.02 : x
  2. Step 2: Convert to fraction form
    286,021,279.77/429,035,905.44 = 81,549,355.02/x
  3. Step 3: Cross multiply
    286,021,279.77x = 429,035,905.44 × 81,549,355.02
  4. Step 4: Simplify right side
    286,021,279.77x = 34,987,601,369,053,708
  5. Step 5: Solve for x
    x = 34,987,601,369,053,708/286,021,279.77
  6. Step 6: Final answer
    x = 122,325,168.94

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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.