Home / 166,212,799.20-249,319,198.80-97,338,045.60

Finding the Fourth Proportional to 166,212,799.20, 249,319,198.80 and 97,338,045.60

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Solution

The fourth proportional to 166,212,799.20, 249,319,198.80 and 97,338,045.60 is: 146,007,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,799.20 : 249,319,198.80 = 97,338,045.60 : x
  2. Step 2: Convert to fraction form
    166,212,799.20/249,319,198.80 = 97,338,045.60/x
  3. Step 3: Cross multiply
    166,212,799.20x = 249,319,198.80 × 97,338,045.60
  4. Step 4: Simplify right side
    166,212,799.20x = 24,268,243,541,749,864
  5. Step 5: Solve for x
    x = 24,268,243,541,749,864/166,212,799.20
  6. Step 6: Final answer
    x = 146,007,068.40

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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.