Home / 166,063,328.40-249,094,992.60-79,780,929.60

Finding the Fourth Proportional to 166,063,328.40, 249,094,992.60 and 79,780,929.60

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Solution

The fourth proportional to 166,063,328.40, 249,094,992.60 and 79,780,929.60 is: 119,671,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,063,328.40 : 249,094,992.60 = 79,780,929.60 : x
  2. Step 2: Convert to fraction form
    166,063,328.40/249,094,992.60 = 79,780,929.60/x
  3. Step 3: Cross multiply
    166,063,328.40x = 249,094,992.60 × 79,780,929.60
  4. Step 4: Simplify right side
    166,063,328.40x = 19,873,030,068,333,120
  5. Step 5: Solve for x
    x = 19,873,030,068,333,120/166,063,328.40
  6. Step 6: Final answer
    x = 119,671,394.40

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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.