Home / 55,508,548.24-76,600,581.48-30,390,605.20

Finding the Fourth Proportional to 55,508,548.24, 76,600,581.48 and 30,390,605.20

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Solution

The fourth proportional to 55,508,548.24, 76,600,581.48 and 30,390,605.20 is: 41,938,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508,548.24 : 76,600,581.48 = 30,390,605.20 : x
  2. Step 2: Convert to fraction form
    55,508,548.24/76,600,581.48 = 30,390,605.20/x
  3. Step 3: Cross multiply
    55,508,548.24x = 76,600,581.48 × 30,390,605.20
  4. Step 4: Simplify right side
    55,508,548.24x = 2,327,938,029,849,112
  5. Step 5: Solve for x
    x = 2,327,938,029,849,112/55,508,548.24
  6. Step 6: Final answer
    x = 41,938,369.92

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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.