Home / 142,209,671.85-213,314,507.82-39,973,709.48

Finding the Fourth Proportional to 142,209,671.85, 213,314,507.82 and 39,973,709.48

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Solution

The fourth proportional to 142,209,671.85, 213,314,507.82 and 39,973,709.48 is: 59,960,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,209,671.85 : 213,314,507.82 = 39,973,709.48 : x
  2. Step 2: Convert to fraction form
    142,209,671.85/213,314,507.82 = 39,973,709.48/x
  3. Step 3: Cross multiply
    142,209,671.85x = 213,314,507.82 × 39,973,709.48
  4. Step 4: Simplify right side
    142,209,671.85x = 8,526,972,162,399,296
  5. Step 5: Solve for x
    x = 8,526,972,162,399,296/142,209,671.85
  6. Step 6: Final answer
    x = 59,960,564.23

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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.