Home / 80,743,927.41-111,425,198.13-45,935,875.98

Finding the Fourth Proportional to 80,743,927.41, 111,425,198.13 and 45,935,875.98

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Solution

The fourth proportional to 80,743,927.41, 111,425,198.13 and 45,935,875.98 is: 63,390,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,927.41 : 111,425,198.13 = 45,935,875.98 : x
  2. Step 2: Convert to fraction form
    80,743,927.41/111,425,198.13 = 45,935,875.98/x
  3. Step 3: Cross multiply
    80,743,927.41x = 111,425,198.13 × 45,935,875.98
  4. Step 4: Simplify right side
    80,743,927.41x = 5,118,414,082,346,607
  5. Step 5: Solve for x
    x = 5,118,414,082,346,607/80,743,927.41
  6. Step 6: Final answer
    x = 63,390,700.04

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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.