Home / 55,775,583.45-76,972,174.38-30,996,814.68

Finding the Fourth Proportional to 55,775,583.45, 76,972,174.38 and 30,996,814.68

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Solution

The fourth proportional to 55,775,583.45, 76,972,174.38 and 30,996,814.68 is: 42,776,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,583.45 : 76,972,174.38 = 30,996,814.68 : x
  2. Step 2: Convert to fraction form
    55,775,583.45/76,972,174.38 = 30,996,814.68/x
  3. Step 3: Cross multiply
    55,775,583.45x = 76,972,174.38 × 30,996,814.68
  4. Step 4: Simplify right side
    55,775,583.45x = 2,385,892,224,773,503.50
  5. Step 5: Solve for x
    x = 2,385,892,224,773,503.50/55,775,583.45
  6. Step 6: Final answer
    x = 42,776,643.06

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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.