Home / 77,309,713.92-106,678,736.64-46,371,141.12

Finding the Fourth Proportional to 77,309,713.92, 106,678,736.64 and 46,371,141.12

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Solution

The fourth proportional to 77,309,713.92, 106,678,736.64 and 46,371,141.12 is: 63,986,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309,713.92 : 106,678,736.64 = 46,371,141.12 : x
  2. Step 2: Convert to fraction form
    77,309,713.92/106,678,736.64 = 46,371,141.12/x
  3. Step 3: Cross multiply
    77,309,713.92x = 106,678,736.64 × 46,371,141.12
  4. Step 4: Simplify right side
    77,309,713.92x = 4,946,814,751,236,754
  5. Step 5: Solve for x
    x = 4,946,814,751,236,754/77,309,713.92
  6. Step 6: Final answer
    x = 63,986,975.25

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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.