Home / 117,577,489.89-162,257,566.92-64,657,610.01

Finding the Fourth Proportional to 117,577,489.89, 162,257,566.92 and 64,657,610.01

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Solution

The fourth proportional to 117,577,489.89, 162,257,566.92 and 64,657,610.01 is: 89,227,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,577,489.89 : 162,257,566.92 = 64,657,610.01 : x
  2. Step 2: Convert to fraction form
    117,577,489.89/162,257,566.92 = 64,657,610.01/x
  3. Step 3: Cross multiply
    117,577,489.89x = 162,257,566.92 × 64,657,610.01
  4. Step 4: Simplify right side
    117,577,489.89x = 10,491,186,483,084,836
  5. Step 5: Solve for x
    x = 10,491,186,483,084,836/117,577,489.89
  6. Step 6: Final answer
    x = 89,227,848.74

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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.