Home / 66,516,975.99-91,126,732.14-64,030,085.82

Finding the Fourth Proportional to 66,516,975.99, 91,126,732.14 and 64,030,085.82

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Solution

The fourth proportional to 66,516,975.99, 91,126,732.14 and 64,030,085.82 is: 87,719,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516,975.99 : 91,126,732.14 = 64,030,085.82 : x
  2. Step 2: Convert to fraction form
    66,516,975.99/91,126,732.14 = 64,030,085.82/x
  3. Step 3: Cross multiply
    66,516,975.99x = 91,126,732.14 × 64,030,085.82
  4. Step 4: Simplify right side
    66,516,975.99x = 5,834,852,479,420,352
  5. Step 5: Solve for x
    x = 5,834,852,479,420,352/66,516,975.99
  6. Step 6: Final answer
    x = 87,719,749.62

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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.