Home / 85,127,668.46-127,401,885.26-52,320,939.31

Finding the Fourth Proportional to 85,127,668.46, 127,401,885.26 and 52,320,939.31

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Solution

The fourth proportional to 85,127,668.46, 127,401,885.26 and 52,320,939.31 is: 78,303,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127,668.46 : 127,401,885.26 = 52,320,939.31 : x
  2. Step 2: Convert to fraction form
    85,127,668.46/127,401,885.26 = 52,320,939.31/x
  3. Step 3: Cross multiply
    85,127,668.46x = 127,401,885.26 × 52,320,939.31
  4. Step 4: Simplify right side
    85,127,668.46x = 6,665,786,306,668,044
  5. Step 5: Solve for x
    x = 6,665,786,306,668,044/85,127,668.46
  6. Step 6: Final answer
    x = 78,303,405.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.