Home / 193,104,872.20-289,657,308.30-120,403,743.40

Finding the Fourth Proportional to 193,104,872.20, 289,657,308.30 and 120,403,743.40

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Solution

The fourth proportional to 193,104,872.20, 289,657,308.30 and 120,403,743.40 is: 180,605,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,104,872.20 : 289,657,308.30 = 120,403,743.40 : x
  2. Step 2: Convert to fraction form
    193,104,872.20/289,657,308.30 = 120,403,743.40/x
  3. Step 3: Cross multiply
    193,104,872.20x = 289,657,308.30 × 120,403,743.40
  4. Step 4: Simplify right side
    193,104,872.20x = 34,875,824,222,487,892
  5. Step 5: Solve for x
    x = 34,875,824,222,487,892/193,104,872.20
  6. Step 6: Final answer
    x = 180,605,615.10

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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.