Home / 85,539,811.05-118,047,260.39-48,375,648.86

Finding the Fourth Proportional to 85,539,811.05, 118,047,260.39 and 48,375,648.86

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Solution

The fourth proportional to 85,539,811.05, 118,047,260.39 and 48,375,648.86 is: 66,759,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,539,811.05 : 118,047,260.39 = 48,375,648.86 : x
  2. Step 2: Convert to fraction form
    85,539,811.05/118,047,260.39 = 48,375,648.86/x
  3. Step 3: Cross multiply
    85,539,811.05x = 118,047,260.39 × 48,375,648.86
  4. Step 4: Simplify right side
    85,539,811.05x = 5,710,612,816,679,512
  5. Step 5: Solve for x
    x = 5,710,612,816,679,512/85,539,811.05
  6. Step 6: Final answer
    x = 66,759,708.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.