Home / 142,489,373.00-213,750,002.70-45,422,560.08

Finding the Fourth Proportional to 142,489,373.00, 213,750,002.70 and 45,422,560.08

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Solution

The fourth proportional to 142,489,373.00, 213,750,002.70 and 45,422,560.08 is: 68,138,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,489,373.00 : 213,750,002.70 = 45,422,560.08 : x
  2. Step 2: Convert to fraction form
    142,489,373.00/213,750,002.70 = 45,422,560.08/x
  3. Step 3: Cross multiply
    142,489,373.00x = 213,750,002.70 × 45,422,560.08
  4. Step 4: Simplify right side
    142,489,373.00x = 9,709,072,339,740,912
  5. Step 5: Solve for x
    x = 9,709,072,339,740,912/142,489,373.00
  6. Step 6: Final answer
    x = 68,138,922.47

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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.