Home / 45,509,619.40-68,264,429.10-18,228,981.40

Finding the Fourth Proportional to 45,509,619.40, 68,264,429.10 and 18,228,981.40

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Solution

The fourth proportional to 45,509,619.40, 68,264,429.10 and 18,228,981.40 is: 27,343,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509,619.40 : 68,264,429.10 = 18,228,981.40 : x
  2. Step 2: Convert to fraction form
    45,509,619.40/68,264,429.10 = 18,228,981.40/x
  3. Step 3: Cross multiply
    45,509,619.40x = 68,264,429.10 × 18,228,981.40
  4. Step 4: Simplify right side
    45,509,619.40x = 1,244,391,008,345,518.50
  5. Step 5: Solve for x
    x = 1,244,391,008,345,518.50/45,509,619.40
  6. Step 6: Final answer
    x = 27,343,472.10

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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.