Home / 66,517,117.33-91,126,930.86-64,030,231.79

Finding the Fourth Proportional to 66,517,117.33, 91,126,930.86 and 64,030,231.79

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Solution

The fourth proportional to 66,517,117.33, 91,126,930.86 and 64,030,231.79 is: 87,719,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517,117.33 : 91,126,930.86 = 64,030,231.79 : x
  2. Step 2: Convert to fraction form
    66,517,117.33/91,126,930.86 = 64,030,231.79/x
  3. Step 3: Cross multiply
    66,517,117.33x = 91,126,930.86 × 64,030,231.79
  4. Step 4: Simplify right side
    66,517,117.33x = 5,834,878,505,343,312
  5. Step 5: Solve for x
    x = 5,834,878,505,343,312/66,517,117.33
  6. Step 6: Final answer
    x = 87,719,954.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.