Home / 180,846,723.60-271,270,085.40-129,828,387.60

Finding the Fourth Proportional to 180,846,723.60, 271,270,085.40 and 129,828,387.60

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Solution

The fourth proportional to 180,846,723.60, 271,270,085.40 and 129,828,387.60 is: 194,742,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,846,723.60 : 271,270,085.40 = 129,828,387.60 : x
  2. Step 2: Convert to fraction form
    180,846,723.60/271,270,085.40 = 129,828,387.60/x
  3. Step 3: Cross multiply
    180,846,723.60x = 271,270,085.40 × 129,828,387.60
  4. Step 4: Simplify right side
    180,846,723.60x = 35,218,557,791,596,296
  5. Step 5: Solve for x
    x = 35,218,557,791,596,296/180,846,723.60
  6. Step 6: Final answer
    x = 194,742,581.40

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Double scale
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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.