Home / 209,664,009.60-314,496,014.40-148,442,006.40

Finding the Fourth Proportional to 209,664,009.60, 314,496,014.40 and 148,442,006.40

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Solution

The fourth proportional to 209,664,009.60, 314,496,014.40 and 148,442,006.40 is: 222,663,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,664,009.60 : 314,496,014.40 = 148,442,006.40 : x
  2. Step 2: Convert to fraction form
    209,664,009.60/314,496,014.40 = 148,442,006.40/x
  3. Step 3: Cross multiply
    209,664,009.60x = 314,496,014.40 × 148,442,006.40
  4. Step 4: Simplify right side
    209,664,009.60x = 46,684,419,382,339,288
  5. Step 5: Solve for x
    x = 46,684,419,382,339,288/209,664,009.60
  6. Step 6: Final answer
    x = 222,663,009.60

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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.