Home / 165,705,189.83-228,683,368.88-91,365,520.47

Finding the Fourth Proportional to 165,705,189.83, 228,683,368.88 and 91,365,520.47

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Solution

The fourth proportional to 165,705,189.83, 228,683,368.88 and 91,365,520.47 is: 126,090,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,705,189.83 : 228,683,368.88 = 91,365,520.47 : x
  2. Step 2: Convert to fraction form
    165,705,189.83/228,683,368.88 = 91,365,520.47/x
  3. Step 3: Cross multiply
    165,705,189.83x = 228,683,368.88 × 91,365,520.47
  4. Step 4: Simplify right side
    165,705,189.83x = 20,893,775,020,097,372
  5. Step 5: Solve for x
    x = 20,893,775,020,097,372/165,705,189.83
  6. Step 6: Final answer
    x = 126,090,046.08

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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.