Home / 86,186,632.91-118,940,424.30-47,030,558.18

Finding the Fourth Proportional to 86,186,632.91, 118,940,424.30 and 47,030,558.18

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Solution

The fourth proportional to 86,186,632.91, 118,940,424.30 and 47,030,558.18 is: 64,903,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,186,632.91 : 118,940,424.30 = 47,030,558.18 : x
  2. Step 2: Convert to fraction form
    86,186,632.91/118,940,424.30 = 47,030,558.18/x
  3. Step 3: Cross multiply
    86,186,632.91x = 118,940,424.30 × 47,030,558.18
  4. Step 4: Simplify right side
    86,186,632.91x = 5,593,834,544,400,333
  5. Step 5: Solve for x
    x = 5,593,834,544,400,333/86,186,632.91
  6. Step 6: Final answer
    x = 64,903,736.88

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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.