Home / 103,805,898.48-155,718,148-30,028,519.72

Finding the Fourth Proportional to 103,805,898.48, 155,718,148 and 30,028,519.72

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Solution

The fourth proportional to 103,805,898.48, 155,718,148 and 30,028,519.72 is: 45,045,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,805,898.48 : 155,718,148 = 30,028,519.72 : x
  2. Step 2: Convert to fraction form
    103,805,898.48/155,718,148 = 30,028,519.72/x
  3. Step 3: Cross multiply
    103,805,898.48x = 155,718,148 × 30,028,519.72
  4. Step 4: Simplify right side
    103,805,898.48x = 4,675,985,477,979,878
  5. Step 5: Solve for x
    x = 4,675,985,477,979,878/103,805,898.48
  6. Step 6: Final answer
    x = 45,045,469.92

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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.