Home / 166,485,683.70-249,728,525.55-163,615,902.30

Finding the Fourth Proportional to 166,485,683.70, 249,728,525.55 and 163,615,902.30

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Solution

The fourth proportional to 166,485,683.70, 249,728,525.55 and 163,615,902.30 is: 245,423,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,683.70 : 249,728,525.55 = 163,615,902.30 : x
  2. Step 2: Convert to fraction form
    166,485,683.70/249,728,525.55 = 163,615,902.30/x
  3. Step 3: Cross multiply
    166,485,683.70x = 249,728,525.55 × 163,615,902.30
  4. Step 4: Simplify right side
    166,485,683.70x = 40,859,558,037,911,856
  5. Step 5: Solve for x
    x = 40,859,558,037,911,856/166,485,683.70
  6. Step 6: Final answer
    x = 245,423,853.45

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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.