Home / 191,802,056.63-287,775,561.92-115,178,499.59

Finding the Fourth Proportional to 191,802,056.63, 287,775,561.92 and 115,178,499.59

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Solution

The fourth proportional to 191,802,056.63, 287,775,561.92 and 115,178,499.59 is: 172,811,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,802,056.63 : 287,775,561.92 = 115,178,499.59 : x
  2. Step 2: Convert to fraction form
    191,802,056.63/287,775,561.92 = 115,178,499.59/x
  3. Step 3: Cross multiply
    191,802,056.63x = 287,775,561.92 × 115,178,499.59
  4. Step 4: Simplify right side
    191,802,056.63x = 33,145,557,438,599,968
  5. Step 5: Solve for x
    x = 33,145,557,438,599,968/191,802,056.63
  6. Step 6: Final answer
    x = 172,811,272.32

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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.