Home / 191,802,071.68-287,775,584.48-115,178,514.64

Finding the Fourth Proportional to 191,802,071.68, 287,775,584.48 and 115,178,514.64

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Solution

The fourth proportional to 191,802,071.68, 287,775,584.48 and 115,178,514.64 is: 172,811,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,802,071.68 : 287,775,584.48 = 115,178,514.64 : x
  2. Step 2: Convert to fraction form
    191,802,071.68/287,775,584.48 = 115,178,514.64/x
  3. Step 3: Cross multiply
    191,802,071.68x = 287,775,584.48 × 115,178,514.64
  4. Step 4: Simplify right side
    191,802,071.68x = 33,145,564,370,064,240
  5. Step 5: Solve for x
    x = 33,145,564,370,064,240/191,802,071.68
  6. Step 6: Final answer
    x = 172,811,294.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.