Home / 84,726,920-116,916,732.86-47,550,020.20

Finding the Fourth Proportional to 84,726,920, 116,916,732.86 and 47,550,020.20

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Solution

The fourth proportional to 84,726,920, 116,916,732.86 and 47,550,020.20 is: 65,615,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726,920 : 116,916,732.86 = 47,550,020.20 : x
  2. Step 2: Convert to fraction form
    84,726,920/116,916,732.86 = 47,550,020.20/x
  3. Step 3: Cross multiply
    84,726,920x = 116,916,732.86 × 47,550,020.20
  4. Step 4: Simplify right side
    84,726,920x = 5,559,393,009,211,004
  5. Step 5: Solve for x
    x = 5,559,393,009,211,004/84,726,920
  6. Step 6: Final answer
    x = 65,615,426.71

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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.