Home / 85,100,595,729.60-127,650,893,594.40-83,939,645,150.40

Finding the Fourth Proportional to 85,100,595,729.60, 127,650,893,594.40 and 83,939,645,150.40

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Solution

The fourth proportional to 85,100,595,729.60, 127,650,893,594.40 and 83,939,645,150.40 is: 125,909,467,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,595,729.60 : 127,650,893,594.40 = 83,939,645,150.40 : x
  2. Step 2: Convert to fraction form
    85,100,595,729.60/127,650,893,594.40 = 83,939,645,150.40/x
  3. Step 3: Cross multiply
    85,100,595,729.60x = 127,650,893,594.40 × 83,939,645,150.40
  4. Step 4: Simplify right side
    85,100,595,729.60x = 10,714,970,711,445,404,123,136
  5. Step 5: Solve for x
    x = 10,714,970,711,445,404,123,136/85,100,595,729.60
  6. Step 6: Final answer
    x = 125,909,467,725.60

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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.