Home / 314,928,271.20-472,392,406.80-142,741,387.20

Finding the Fourth Proportional to 314,928,271.20, 472,392,406.80 and 142,741,387.20

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Solution

The fourth proportional to 314,928,271.20, 472,392,406.80 and 142,741,387.20 is: 214,112,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,271.20 : 472,392,406.80 = 142,741,387.20 : x
  2. Step 2: Convert to fraction form
    314,928,271.20/472,392,406.80 = 142,741,387.20/x
  3. Step 3: Cross multiply
    314,928,271.20x = 472,392,406.80 × 142,741,387.20
  4. Step 4: Simplify right side
    314,928,271.20x = 67,429,947,449,378,712
  5. Step 5: Solve for x
    x = 67,429,947,449,378,712/314,928,271.20
  6. Step 6: Final answer
    x = 214,112,080.80

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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.