Home / 106,916,989.80-160,230,418.56-45,429,047.40

Finding the Fourth Proportional to 106,916,989.80, 160,230,418.56 and 45,429,047.40

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Solution

The fourth proportional to 106,916,989.80, 160,230,418.56 and 45,429,047.40 is: 68,081,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,916,989.80 : 160,230,418.56 = 45,429,047.40 : x
  2. Step 2: Convert to fraction form
    106,916,989.80/160,230,418.56 = 45,429,047.40/x
  3. Step 3: Cross multiply
    106,916,989.80x = 160,230,418.56 × 45,429,047.40
  4. Step 4: Simplify right side
    106,916,989.80x = 7,279,115,279,684,080
  5. Step 5: Solve for x
    x = 7,279,115,279,684,080/106,916,989.80
  6. Step 6: Final answer
    x = 68,081,932.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.