Home / 65,451,308.16-90,325,880.64-36,478,139.52

Finding the Fourth Proportional to 65,451,308.16, 90,325,880.64 and 36,478,139.52

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Solution

The fourth proportional to 65,451,308.16, 90,325,880.64 and 36,478,139.52 is: 50,341,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,451,308.16 : 90,325,880.64 = 36,478,139.52 : x
  2. Step 2: Convert to fraction form
    65,451,308.16/90,325,880.64 = 36,478,139.52/x
  3. Step 3: Cross multiply
    65,451,308.16x = 90,325,880.64 × 36,478,139.52
  4. Step 4: Simplify right side
    65,451,308.16x = 3,294,920,076,252,787
  5. Step 5: Solve for x
    x = 3,294,920,076,252,787/65,451,308.16
  6. Step 6: Final answer
    x = 50,341,546.55

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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.