Home / 113,783,982.24-157,022,309.12-61,573,012.48

Finding the Fourth Proportional to 113,783,982.24, 157,022,309.12 and 61,573,012.48

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Solution

The fourth proportional to 113,783,982.24, 157,022,309.12 and 61,573,012.48 is: 84,970,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,783,982.24 : 157,022,309.12 = 61,573,012.48 : x
  2. Step 2: Convert to fraction form
    113,783,982.24/157,022,309.12 = 61,573,012.48/x
  3. Step 3: Cross multiply
    113,783,982.24x = 157,022,309.12 × 61,573,012.48
  4. Step 4: Simplify right side
    113,783,982.24x = 9,668,336,599,084,178
  5. Step 5: Solve for x
    x = 9,668,336,599,084,178/113,783,982.24
  6. Step 6: Final answer
    x = 84,970,981.05

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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.