Home / 216,176,624.88-298,345,040.28-123,371,101.68

Finding the Fourth Proportional to 216,176,624.88, 298,345,040.28 and 123,371,101.68

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Solution

The fourth proportional to 216,176,624.88, 298,345,040.28 and 123,371,101.68 is: 170,264,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,176,624.88 : 298,345,040.28 = 123,371,101.68 : x
  2. Step 2: Convert to fraction form
    216,176,624.88/298,345,040.28 = 123,371,101.68/x
  3. Step 3: Cross multiply
    216,176,624.88x = 298,345,040.28 × 123,371,101.68
  4. Step 4: Simplify right side
    216,176,624.88x = 36,807,156,300,107,576
  5. Step 5: Solve for x
    x = 36,807,156,300,107,576/216,176,624.88
  6. Step 6: Final answer
    x = 170,264,274.97

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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.