Home / 108,278,048.20-162,417,072.30-82,768,880.20

Finding the Fourth Proportional to 108,278,048.20, 162,417,072.30 and 82,768,880.20

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Solution

The fourth proportional to 108,278,048.20, 162,417,072.30 and 82,768,880.20 is: 124,153,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,278,048.20 : 162,417,072.30 = 82,768,880.20 : x
  2. Step 2: Convert to fraction form
    108,278,048.20/162,417,072.30 = 82,768,880.20/x
  3. Step 3: Cross multiply
    108,278,048.20x = 162,417,072.30 × 82,768,880.20
  4. Step 4: Simplify right side
    108,278,048.20x = 13,443,079,199,633,440
  5. Step 5: Solve for x
    x = 13,443,079,199,633,440/108,278,048.20
  6. Step 6: Final answer
    x = 124,153,320.30

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1.5x scale

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.