Home / 166,212,743.20-249,319,114.80-97,337,989.60

Finding the Fourth Proportional to 166,212,743.20, 249,319,114.80 and 97,337,989.60

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Solution

The fourth proportional to 166,212,743.20, 249,319,114.80 and 97,337,989.60 is: 146,006,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,743.20 : 249,319,114.80 = 97,337,989.60 : x
  2. Step 2: Convert to fraction form
    166,212,743.20/249,319,114.80 = 97,337,989.60/x
  3. Step 3: Cross multiply
    166,212,743.20x = 249,319,114.80 × 97,337,989.60
  4. Step 4: Simplify right side
    166,212,743.20x = 24,268,221,403,483,604
  5. Step 5: Solve for x
    x = 24,268,221,403,483,604/166,212,743.20
  6. Step 6: Final answer
    x = 146,006,984.40

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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.