Home / 52,488,000.20-78,732,000.30-49,296,729.80

Finding the Fourth Proportional to 52,488,000.20, 78,732,000.30 and 49,296,729.80

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Solution

The fourth proportional to 52,488,000.20, 78,732,000.30 and 49,296,729.80 is: 73,945,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,000.20 : 78,732,000.30 = 49,296,729.80 : x
  2. Step 2: Convert to fraction form
    52,488,000.20/78,732,000.30 = 49,296,729.80/x
  3. Step 3: Cross multiply
    52,488,000.20x = 78,732,000.30 × 49,296,729.80
  4. Step 4: Simplify right side
    52,488,000.20x = 3,881,230,145,402,618.50
  5. Step 5: Solve for x
    x = 3,881,230,145,402,618.50/52,488,000.20
  6. Step 6: Final answer
    x = 73,945,094.70

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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.