Home / 166,212,002.10-249,318,003.15-74,095,562.10

Finding the Fourth Proportional to 166,212,002.10, 249,318,003.15 and 74,095,562.10

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Solution

The fourth proportional to 166,212,002.10, 249,318,003.15 and 74,095,562.10 is: 111,143,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,002.10 : 249,318,003.15 = 74,095,562.10 : x
  2. Step 2: Convert to fraction form
    166,212,002.10/249,318,003.15 = 74,095,562.10/x
  3. Step 3: Cross multiply
    166,212,002.10x = 249,318,003.15 × 74,095,562.10
  4. Step 4: Simplify right side
    166,212,002.10x = 18,473,357,585,048,820
  5. Step 5: Solve for x
    x = 18,473,357,585,048,820/166,212,002.10
  6. Step 6: Final answer
    x = 111,143,343.15

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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.