Home / 166,352,491.35-249,651,339.44-78,914,282.15

Finding the Fourth Proportional to 166,352,491.35, 249,651,339.44 and 78,914,282.15

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Solution

The fourth proportional to 166,352,491.35, 249,651,339.44 and 78,914,282.15 is: 118,429,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,352,491.35 : 249,651,339.44 = 78,914,282.15 : x
  2. Step 2: Convert to fraction form
    166,352,491.35/249,651,339.44 = 78,914,282.15/x
  3. Step 3: Cross multiply
    166,352,491.35x = 249,651,339.44 × 78,914,282.15
  4. Step 4: Simplify right side
    166,352,491.35x = 19,701,056,239,923,140
  5. Step 5: Solve for x
    x = 19,701,056,239,923,140/166,352,491.35
  6. Step 6: Final answer
    x = 118,429,583.35

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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.