Home / 85,824,279.60-128,736,419.40-25,246,129.20

Finding the Fourth Proportional to 85,824,279.60, 128,736,419.40 and 25,246,129.20

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Solution

The fourth proportional to 85,824,279.60, 128,736,419.40 and 25,246,129.20 is: 37,869,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,824,279.60 : 128,736,419.40 = 25,246,129.20 : x
  2. Step 2: Convert to fraction form
    85,824,279.60/128,736,419.40 = 25,246,129.20/x
  3. Step 3: Cross multiply
    85,824,279.60x = 128,736,419.40 × 25,246,129.20
  4. Step 4: Simplify right side
    85,824,279.60x = 3,250,096,276,917,786.50
  5. Step 5: Solve for x
    x = 3,250,096,276,917,786.50/85,824,279.60
  6. Step 6: Final answer
    x = 37,869,193.80

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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.