Home / 208,451,927.20-312,677,890.80-175,008,906.40

Finding the Fourth Proportional to 208,451,927.20, 312,677,890.80 and 175,008,906.40

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Solution

The fourth proportional to 208,451,927.20, 312,677,890.80 and 175,008,906.40 is: 262,513,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,451,927.20 : 312,677,890.80 = 175,008,906.40 : x
  2. Step 2: Convert to fraction form
    208,451,927.20/312,677,890.80 = 175,008,906.40/x
  3. Step 3: Cross multiply
    208,451,927.20x = 312,677,890.80 × 175,008,906.40
  4. Step 4: Simplify right side
    208,451,927.20x = 54,721,415,724,366,624
  5. Step 5: Solve for x
    x = 54,721,415,724,366,624/208,451,927.20
  6. Step 6: Final answer
    x = 262,513,359.60

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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.