Home / 76,504,971.96-105,579,074-41,699,916.72

Finding the Fourth Proportional to 76,504,971.96, 105,579,074 and 41,699,916.72

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Solution

The fourth proportional to 76,504,971.96, 105,579,074 and 41,699,916.72 is: 57,547,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,504,971.96 : 105,579,074 = 41,699,916.72 : x
  2. Step 2: Convert to fraction form
    76,504,971.96/105,579,074 = 41,699,916.72/x
  3. Step 3: Cross multiply
    76,504,971.96x = 105,579,074 × 41,699,916.72
  4. Step 4: Simplify right side
    76,504,971.96x = 4,402,638,593,174,717
  5. Step 5: Solve for x
    x = 4,402,638,593,174,717/76,504,971.96
  6. Step 6: Final answer
    x = 57,547,091.13

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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.