Home / 117,748,716.91-162,490,259.34-64,824,896.35

Finding the Fourth Proportional to 117,748,716.91, 162,490,259.34 and 64,824,896.35

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Solution

The fourth proportional to 117,748,716.91, 162,490,259.34 and 64,824,896.35 is: 89,456,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,748,716.91 : 162,490,259.34 = 64,824,896.35 : x
  2. Step 2: Convert to fraction form
    117,748,716.91/162,490,259.34 = 64,824,896.35/x
  3. Step 3: Cross multiply
    117,748,716.91x = 162,490,259.34 × 64,824,896.35
  4. Step 4: Simplify right side
    117,748,716.91x = 10,533,414,220,046,326
  5. Step 5: Solve for x
    x = 10,533,414,220,046,326/117,748,716.91
  6. Step 6: Final answer
    x = 89,456,721.88

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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.