Home / 149,953,973,710.20-206,942,449,984.86-82,290,985,328.28

Finding the Fourth Proportional to 149,953,973,710.20, 206,942,449,984.86 and 82,290,985,328.28

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Solution

The fourth proportional to 149,953,973,710.20, 206,942,449,984.86 and 82,290,985,328.28 is: 113,564,833,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,953,973,710.20 : 206,942,449,984.86 = 82,290,985,328.28 : x
  2. Step 2: Convert to fraction form
    149,953,973,710.20/206,942,449,984.86 = 82,290,985,328.28/x
  3. Step 3: Cross multiply
    149,953,973,710.20x = 206,942,449,984.86 × 82,290,985,328.28
  4. Step 4: Simplify right side
    149,953,973,710.20x = 17,029,498,115,502,431,535,104
  5. Step 5: Solve for x
    x = 17,029,498,115,502,431,535,104/149,953,973,710.20
  6. Step 6: Final answer
    x = 113,564,833,889.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.