Home / 52,152,097.20-78,228,145.80-31,968,711.60

Finding the Fourth Proportional to 52,152,097.20, 78,228,145.80 and 31,968,711.60

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Solution

The fourth proportional to 52,152,097.20, 78,228,145.80 and 31,968,711.60 is: 47,953,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,097.20 : 78,228,145.80 = 31,968,711.60 : x
  2. Step 2: Convert to fraction form
    52,152,097.20/78,228,145.80 = 31,968,711.60/x
  3. Step 3: Cross multiply
    52,152,097.20x = 78,228,145.80 × 31,968,711.60
  4. Step 4: Simplify right side
    52,152,097.20x = 2,500,853,032,082,951.50
  5. Step 5: Solve for x
    x = 2,500,853,032,082,951.50/52,152,097.20
  6. Step 6: Final answer
    x = 47,953,067.40

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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.