Home / 112,120,424.20-168,180,636.30-47,402,720.20

Finding the Fourth Proportional to 112,120,424.20, 168,180,636.30 and 47,402,720.20

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Solution

The fourth proportional to 112,120,424.20, 168,180,636.30 and 47,402,720.20 is: 71,104,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120,424.20 : 168,180,636.30 = 47,402,720.20 : x
  2. Step 2: Convert to fraction form
    112,120,424.20/168,180,636.30 = 47,402,720.20/x
  3. Step 3: Cross multiply
    112,120,424.20x = 168,180,636.30 × 47,402,720.20
  4. Step 4: Simplify right side
    112,120,424.20x = 7,972,219,645,586,864
  5. Step 5: Solve for x
    x = 7,972,219,645,586,864/112,120,424.20
  6. Step 6: Final answer
    x = 71,104,080.30

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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.