Home / 119,619,871.36-179,429,807.28-28,743,460.48

Finding the Fourth Proportional to 119,619,871.36, 179,429,807.28 and 28,743,460.48

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Solution

The fourth proportional to 119,619,871.36, 179,429,807.28 and 28,743,460.48 is: 43,115,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,619,871.36 : 179,429,807.28 = 28,743,460.48 : x
  2. Step 2: Convert to fraction form
    119,619,871.36/179,429,807.28 = 28,743,460.48/x
  3. Step 3: Cross multiply
    119,619,871.36x = 179,429,807.28 × 28,743,460.48
  4. Step 4: Simplify right side
    119,619,871.36x = 5,157,433,574,486,696
  5. Step 5: Solve for x
    x = 5,157,433,574,486,696/119,619,871.36
  6. Step 6: Final answer
    x = 43,115,190.78

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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.