Home / 45,485,434.40-68,228,151.60-40,572,557.60

Finding the Fourth Proportional to 45,485,434.40, 68,228,151.60 and 40,572,557.60

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Solution

The fourth proportional to 45,485,434.40, 68,228,151.60 and 40,572,557.60 is: 60,858,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485,434.40 : 68,228,151.60 = 40,572,557.60 : x
  2. Step 2: Convert to fraction form
    45,485,434.40/68,228,151.60 = 40,572,557.60/x
  3. Step 3: Cross multiply
    45,485,434.40x = 68,228,151.60 × 40,572,557.60
  4. Step 4: Simplify right side
    45,485,434.40x = 2,768,190,610,732,532
  5. Step 5: Solve for x
    x = 2,768,190,610,732,532/45,485,434.40
  6. Step 6: Final answer
    x = 60,858,836.40

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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.