Home / 154,500,379.38-213,207,094.62-83,934,165.96

Finding the Fourth Proportional to 154,500,379.38, 213,207,094.62 and 83,934,165.96

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Solution

The fourth proportional to 154,500,379.38, 213,207,094.62 and 83,934,165.96 is: 115,827,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,500,379.38 : 213,207,094.62 = 83,934,165.96 : x
  2. Step 2: Convert to fraction form
    154,500,379.38/213,207,094.62 = 83,934,165.96/x
  3. Step 3: Cross multiply
    154,500,379.38x = 213,207,094.62 × 83,934,165.96
  4. Step 4: Simplify right side
    154,500,379.38x = 17,895,359,663,684,502
  5. Step 5: Solve for x
    x = 17,895,359,663,684,502/154,500,379.38
  6. Step 6: Final answer
    x = 115,827,286.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.