Home / 274,678,355.20-411,953,612.80-102,236,379.52

Finding the Fourth Proportional to 274,678,355.20, 411,953,612.80 and 102,236,379.52

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Solution

The fourth proportional to 274,678,355.20, 411,953,612.80 and 102,236,379.52 is: 153,330,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,678,355.20 : 411,953,612.80 = 102,236,379.52 : x
  2. Step 2: Convert to fraction form
    274,678,355.20/411,953,612.80 = 102,236,379.52/x
  3. Step 3: Cross multiply
    274,678,355.20x = 411,953,612.80 × 102,236,379.52
  4. Step 4: Simplify right side
    274,678,355.20x = 42,116,645,902,855,928
  5. Step 5: Solve for x
    x = 42,116,645,902,855,928/274,678,355.20
  6. Step 6: Final answer
    x = 153,330,778.00

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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.