Home / 222,230,426.04-306,622,585.26-128,173,340.88

Finding the Fourth Proportional to 222,230,426.04, 306,622,585.26 and 128,173,340.88

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Solution

The fourth proportional to 222,230,426.04, 306,622,585.26 and 128,173,340.88 is: 176,847,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,230,426.04 : 306,622,585.26 = 128,173,340.88 : x
  2. Step 2: Convert to fraction form
    222,230,426.04/306,622,585.26 = 128,173,340.88/x
  3. Step 3: Cross multiply
    222,230,426.04x = 306,622,585.26 × 128,173,340.88
  4. Step 4: Simplify right side
    222,230,426.04x = 39,300,841,142,036,840
  5. Step 5: Solve for x
    x = 39,300,841,142,036,840/222,230,426.04
  6. Step 6: Final answer
    x = 176,847,256.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.