Home / 81,084,319.43-111,896,325.47-43,914,601.42

Finding the Fourth Proportional to 81,084,319.43, 111,896,325.47 and 43,914,601.42

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Solution

The fourth proportional to 81,084,319.43, 111,896,325.47 and 43,914,601.42 is: 60,602,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,084,319.43 : 111,896,325.47 = 43,914,601.42 : x
  2. Step 2: Convert to fraction form
    81,084,319.43/111,896,325.47 = 43,914,601.42/x
  3. Step 3: Cross multiply
    81,084,319.43x = 111,896,325.47 × 43,914,601.42
  4. Step 4: Simplify right side
    81,084,319.43x = 4,913,882,533,590,306
  5. Step 5: Solve for x
    x = 4,913,882,533,590,306/81,084,319.43
  6. Step 6: Final answer
    x = 60,602,130.82

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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.