Home / 163,556,561.35-245,381,195.63-66,581,834.95

Finding the Fourth Proportional to 163,556,561.35, 245,381,195.63 and 66,581,834.95

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Solution

The fourth proportional to 163,556,561.35, 245,381,195.63 and 66,581,834.95 is: 99,891,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,556,561.35 : 245,381,195.63 = 66,581,834.95 : x
  2. Step 2: Convert to fraction form
    163,556,561.35/245,381,195.63 = 66,581,834.95/x
  3. Step 3: Cross multiply
    163,556,561.35x = 245,381,195.63 × 66,581,834.95
  4. Step 4: Simplify right side
    163,556,561.35x = 16,337,930,267,270,322
  5. Step 5: Solve for x
    x = 16,337,930,267,270,322/163,556,561.35
  6. Step 6: Final answer
    x = 99,891,622.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.