Home / 104,995,615.20-157,493,422.80-100,744,087.20

Finding the Fourth Proportional to 104,995,615.20, 157,493,422.80 and 100,744,087.20

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Solution

The fourth proportional to 104,995,615.20, 157,493,422.80 and 100,744,087.20 is: 151,116,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,995,615.20 : 157,493,422.80 = 100,744,087.20 : x
  2. Step 2: Convert to fraction form
    104,995,615.20/157,493,422.80 = 100,744,087.20/x
  3. Step 3: Cross multiply
    104,995,615.20x = 157,493,422.80 × 100,744,087.20
  4. Step 4: Simplify right side
    104,995,615.20x = 15,866,531,119,989,670
  5. Step 5: Solve for x
    x = 15,866,531,119,989,670/104,995,615.20
  6. Step 6: Final answer
    x = 151,116,130.80

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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.