Home / 67,980,822.30-101,898,623.23-38,771,775.18

Finding the Fourth Proportional to 67,980,822.30, 101,898,623.23 and 38,771,775.18

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Solution

The fourth proportional to 67,980,822.30, 101,898,623.23 and 38,771,775.18 is: 58,116,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980,822.30 : 101,898,623.23 = 38,771,775.18 : x
  2. Step 2: Convert to fraction form
    67,980,822.30/101,898,623.23 = 38,771,775.18/x
  3. Step 3: Cross multiply
    67,980,822.30x = 101,898,623.23 × 38,771,775.18
  4. Step 4: Simplify right side
    67,980,822.30x = 3,950,790,510,928,156
  5. Step 5: Solve for x
    x = 3,950,790,510,928,156/67,980,822.30
  6. Step 6: Final answer
    x = 58,116,250.69

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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.