Home / 117,561,873.71-162,215,775.54-65,343,809.66

Finding the Fourth Proportional to 117,561,873.71, 162,215,775.54 and 65,343,809.66

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Solution

The fourth proportional to 117,561,873.71, 162,215,775.54 and 65,343,809.66 is: 90,163,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561,873.71 : 162,215,775.54 = 65,343,809.66 : x
  2. Step 2: Convert to fraction form
    117,561,873.71/162,215,775.54 = 65,343,809.66/x
  3. Step 3: Cross multiply
    117,561,873.71x = 162,215,775.54 × 65,343,809.66
  4. Step 4: Simplify right side
    117,561,873.71x = 10,599,796,759,923,964
  5. Step 5: Solve for x
    x = 10,599,796,759,923,964/117,561,873.71
  6. Step 6: Final answer
    x = 90,163,557.50

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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.