Home / 72,029,763.88-108,053,946.48-33,158,840.76

Finding the Fourth Proportional to 72,029,763.88, 108,053,946.48 and 33,158,840.76

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Solution

The fourth proportional to 72,029,763.88, 108,053,946.48 and 33,158,840.76 is: 49,742,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,029,763.88 : 108,053,946.48 = 33,158,840.76 : x
  2. Step 2: Convert to fraction form
    72,029,763.88/108,053,946.48 = 33,158,840.76/x
  3. Step 3: Cross multiply
    72,029,763.88x = 108,053,946.48 × 33,158,840.76
  4. Step 4: Simplify right side
    72,029,763.88x = 3,582,943,604,819,883
  5. Step 5: Solve for x
    x = 3,582,943,604,819,883/72,029,763.88
  6. Step 6: Final answer
    x = 49,742,542.69

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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.