Home / 117,102,611.79-161,602,560.74-64,892,519.15

Finding the Fourth Proportional to 117,102,611.79, 161,602,560.74 and 64,892,519.15

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Solution

The fourth proportional to 117,102,611.79, 161,602,560.74 and 64,892,519.15 is: 89,552,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102,611.79 : 161,602,560.74 = 64,892,519.15 : x
  2. Step 2: Convert to fraction form
    117,102,611.79/161,602,560.74 = 64,892,519.15/x
  3. Step 3: Cross multiply
    117,102,611.79x = 161,602,560.74 × 64,892,519.15
  4. Step 4: Simplify right side
    117,102,611.79x = 10,486,797,266,863,708
  5. Step 5: Solve for x
    x = 10,486,797,266,863,708/117,102,611.79
  6. Step 6: Final answer
    x = 89,552,206.45

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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.