Home / 101,612,679-140,228,370.40-57,559,664.64

Finding the Fourth Proportional to 101,612,679, 140,228,370.40 and 57,559,664.64

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Solution

The fourth proportional to 101,612,679, 140,228,370.40 and 57,559,664.64 is: 79,433,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,612,679 : 140,228,370.40 = 57,559,664.64 : x
  2. Step 2: Convert to fraction form
    101,612,679/140,228,370.40 = 57,559,664.64/x
  3. Step 3: Cross multiply
    101,612,679x = 140,228,370.40 × 57,559,664.64
  4. Step 4: Simplify right side
    101,612,679x = 8,071,497,973,237,703
  5. Step 5: Solve for x
    x = 8,071,497,973,237,703/101,612,679
  6. Step 6: Final answer
    x = 79,433,964.86

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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.