Home / 55,157,359.48-76,114,699.72-31,619,021.65

Finding the Fourth Proportional to 55,157,359.48, 76,114,699.72 and 31,619,021.65

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Solution

The fourth proportional to 55,157,359.48, 76,114,699.72 and 31,619,021.65 is: 43,632,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157,359.48 : 76,114,699.72 = 31,619,021.65 : x
  2. Step 2: Convert to fraction form
    55,157,359.48/76,114,699.72 = 31,619,021.65/x
  3. Step 3: Cross multiply
    55,157,359.48x = 76,114,699.72 × 31,619,021.65
  4. Step 4: Simplify right side
    55,157,359.48x = 2,406,672,338,329,929
  5. Step 5: Solve for x
    x = 2,406,672,338,329,929/55,157,359.48
  6. Step 6: Final answer
    x = 43,632,841.76

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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.