Home / 91,107,010.86-125,613,627.75-76,040,888.10

Finding the Fourth Proportional to 91,107,010.86, 125,613,627.75 and 76,040,888.10

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Solution

The fourth proportional to 91,107,010.86, 125,613,627.75 and 76,040,888.10 is: 104,841,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107,010.86 : 125,613,627.75 = 76,040,888.10 : x
  2. Step 2: Convert to fraction form
    91,107,010.86/125,613,627.75 = 76,040,888.10/x
  3. Step 3: Cross multiply
    91,107,010.86x = 125,613,627.75 × 76,040,888.10
  4. Step 4: Simplify right side
    91,107,010.86x = 9,551,771,811,572,804
  5. Step 5: Solve for x
    x = 9,551,771,811,572,804/91,107,010.86
  6. Step 6: Final answer
    x = 104,841,238.03

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1.5x scale

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.