Home / 77,915,570.22-107,526,651.93-43,107,693.75

Finding the Fourth Proportional to 77,915,570.22, 107,526,651.93 and 43,107,693.75

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Solution

The fourth proportional to 77,915,570.22, 107,526,651.93 and 43,107,693.75 is: 59,490,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,915,570.22 : 107,526,651.93 = 43,107,693.75 : x
  2. Step 2: Convert to fraction form
    77,915,570.22/107,526,651.93 = 43,107,693.75/x
  3. Step 3: Cross multiply
    77,915,570.22x = 107,526,651.93 × 43,107,693.75
  4. Step 4: Simplify right side
    77,915,570.22x = 4,635,225,981,361,287
  5. Step 5: Solve for x
    x = 4,635,225,981,361,287/77,915,570.22
  6. Step 6: Final answer
    x = 59,490,368.46

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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.