Home / 70,308,003.70-105,462,005.55-18,492,506.20

Finding the Fourth Proportional to 70,308,003.70, 105,462,005.55 and 18,492,506.20

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Solution

The fourth proportional to 70,308,003.70, 105,462,005.55 and 18,492,506.20 is: 27,738,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308,003.70 : 105,462,005.55 = 18,492,506.20 : x
  2. Step 2: Convert to fraction form
    70,308,003.70/105,462,005.55 = 18,492,506.20/x
  3. Step 3: Cross multiply
    70,308,003.70x = 105,462,005.55 × 18,492,506.20
  4. Step 4: Simplify right side
    70,308,003.70x = 1,950,256,791,497,809.25
  5. Step 5: Solve for x
    x = 1,950,256,791,497,809.25/70,308,003.70
  6. Step 6: Final answer
    x = 27,738,759.30

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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.