Home / 100,524,261.96-150,646,889.70-45,803,116.26

Finding the Fourth Proportional to 100,524,261.96, 150,646,889.70 and 45,803,116.26

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Solution

The fourth proportional to 100,524,261.96, 150,646,889.70 and 45,803,116.26 is: 68,641,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524,261.96 : 150,646,889.70 = 45,803,116.26 : x
  2. Step 2: Convert to fraction form
    100,524,261.96/150,646,889.70 = 45,803,116.26/x
  3. Step 3: Cross multiply
    100,524,261.96x = 150,646,889.70 × 45,803,116.26
  4. Step 4: Simplify right side
    100,524,261.96x = 6,900,097,003,136,496
  5. Step 5: Solve for x
    x = 6,900,097,003,136,496/100,524,261.96
  6. Step 6: Final answer
    x = 68,641,110.80

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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.