Home / 142,168,275-213,260,679.48-39,940,284.24

Finding the Fourth Proportional to 142,168,275, 213,260,679.48 and 39,940,284.24

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Solution

The fourth proportional to 142,168,275, 213,260,679.48 and 39,940,284.24 is: 59,912,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,168,275 : 213,260,679.48 = 39,940,284.24 : x
  2. Step 2: Convert to fraction form
    142,168,275/213,260,679.48 = 39,940,284.24/x
  3. Step 3: Cross multiply
    142,168,275x = 213,260,679.48 × 39,940,284.24
  4. Step 4: Simplify right side
    142,168,275x = 8,517,692,155,646,735
  5. Step 5: Solve for x
    x = 8,517,692,155,646,735/142,168,275
  6. Step 6: Final answer
    x = 59,912,748.86

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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.