Home / 90,355,538.40-135,533,307.60-29,763,391.20

Finding the Fourth Proportional to 90,355,538.40, 135,533,307.60 and 29,763,391.20

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Solution

The fourth proportional to 90,355,538.40, 135,533,307.60 and 29,763,391.20 is: 44,645,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355,538.40 : 135,533,307.60 = 29,763,391.20 : x
  2. Step 2: Convert to fraction form
    90,355,538.40/135,533,307.60 = 29,763,391.20/x
  3. Step 3: Cross multiply
    90,355,538.40x = 135,533,307.60 × 29,763,391.20
  4. Step 4: Simplify right side
    90,355,538.40x = 4,033,930,854,728,733
  5. Step 5: Solve for x
    x = 4,033,930,854,728,733/90,355,538.40
  6. Step 6: Final answer
    x = 44,645,086.80

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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.