Home / 127,728,329.60-191,592,494.40-73,980,617.60

Finding the Fourth Proportional to 127,728,329.60, 191,592,494.40 and 73,980,617.60

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Solution

The fourth proportional to 127,728,329.60, 191,592,494.40 and 73,980,617.60 is: 110,970,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,728,329.60 : 191,592,494.40 = 73,980,617.60 : x
  2. Step 2: Convert to fraction form
    127,728,329.60/191,592,494.40 = 73,980,617.60/x
  3. Step 3: Cross multiply
    127,728,329.60x = 191,592,494.40 × 73,980,617.60
  4. Step 4: Simplify right side
    127,728,329.60x = 14,174,131,063,236,540
  5. Step 5: Solve for x
    x = 14,174,131,063,236,540/127,728,329.60
  6. Step 6: Final answer
    x = 110,970,926.40

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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.