Home / 55,295,870.72-76,308,349.44-30,849,589.76

Finding the Fourth Proportional to 55,295,870.72, 76,308,349.44 and 30,849,589.76

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Solution

The fourth proportional to 55,295,870.72, 76,308,349.44 and 30,849,589.76 is: 42,572,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295,870.72 : 76,308,349.44 = 30,849,589.76 : x
  2. Step 2: Convert to fraction form
    55,295,870.72/76,308,349.44 = 30,849,589.76/x
  3. Step 3: Cross multiply
    55,295,870.72x = 76,308,349.44 × 30,849,589.76
  4. Step 4: Simplify right side
    55,295,870.72x = 2,354,081,275,486,726
  5. Step 5: Solve for x
    x = 2,354,081,275,486,726/55,295,870.72
  6. Step 6: Final answer
    x = 42,572,460.56

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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.