Home / 90,893,485.20-125,436,104.56-53,755,600.80

Finding the Fourth Proportional to 90,893,485.20, 125,436,104.56 and 53,755,600.80

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Solution

The fourth proportional to 90,893,485.20, 125,436,104.56 and 53,755,600.80 is: 74,184,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893,485.20 : 125,436,104.56 = 53,755,600.80 : x
  2. Step 2: Convert to fraction form
    90,893,485.20/125,436,104.56 = 53,755,600.80/x
  3. Step 3: Cross multiply
    90,893,485.20x = 125,436,104.56 × 53,755,600.80
  4. Step 4: Simplify right side
    90,893,485.20x = 6,742,893,162,634,419
  5. Step 5: Solve for x
    x = 6,742,893,162,634,419/90,893,485.20
  6. Step 6: Final answer
    x = 74,184,559.52

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1.5x scale

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.