Home / 142,435,164.30-213,648,760.65-45,396,694.92

Finding the Fourth Proportional to 142,435,164.30, 213,648,760.65 and 45,396,694.92

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Solution

The fourth proportional to 142,435,164.30, 213,648,760.65 and 45,396,694.92 is: 68,093,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,435,164.30 : 213,648,760.65 = 45,396,694.92 : x
  2. Step 2: Convert to fraction form
    142,435,164.30/213,648,760.65 = 45,396,694.92/x
  3. Step 3: Cross multiply
    142,435,164.30x = 213,648,760.65 × 45,396,694.92
  4. Step 4: Simplify right side
    142,435,164.30x = 9,698,947,607,264,152
  5. Step 5: Solve for x
    x = 9,698,947,607,264,152/142,435,164.30
  6. Step 6: Final answer
    x = 68,093,772.03

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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.