Home / 166,104,525.60-249,156,788.40-73,988,085.60

Finding the Fourth Proportional to 166,104,525.60, 249,156,788.40 and 73,988,085.60

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Solution

The fourth proportional to 166,104,525.60, 249,156,788.40 and 73,988,085.60 is: 110,982,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,104,525.60 : 249,156,788.40 = 73,988,085.60 : x
  2. Step 2: Convert to fraction form
    166,104,525.60/249,156,788.40 = 73,988,085.60/x
  3. Step 3: Cross multiply
    166,104,525.60x = 249,156,788.40 × 73,988,085.60
  4. Step 4: Simplify right side
    166,104,525.60x = 18,434,633,787,960,284
  5. Step 5: Solve for x
    x = 18,434,633,787,960,284/166,104,525.60
  6. Step 6: Final answer
    x = 110,982,128.40

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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.