Home / 166,080,539.40-249,120,809.10-156,674,689.80

Finding the Fourth Proportional to 166,080,539.40, 249,120,809.10 and 156,674,689.80

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Solution

The fourth proportional to 166,080,539.40, 249,120,809.10 and 156,674,689.80 is: 235,012,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,080,539.40 : 249,120,809.10 = 156,674,689.80 : x
  2. Step 2: Convert to fraction form
    166,080,539.40/249,120,809.10 = 156,674,689.80/x
  3. Step 3: Cross multiply
    166,080,539.40x = 249,120,809.10 × 156,674,689.80
  4. Step 4: Simplify right side
    166,080,539.40x = 39,030,925,488,467,520
  5. Step 5: Solve for x
    x = 39,030,925,488,467,520/166,080,539.40
  6. Step 6: Final answer
    x = 235,012,034.70

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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.