Home / 85,152,037.20-127,728,055.80-24,569,739.60

Finding the Fourth Proportional to 85,152,037.20, 127,728,055.80 and 24,569,739.60

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Solution

The fourth proportional to 85,152,037.20, 127,728,055.80 and 24,569,739.60 is: 36,854,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152,037.20 : 127,728,055.80 = 24,569,739.60 : x
  2. Step 2: Convert to fraction form
    85,152,037.20/127,728,055.80 = 24,569,739.60/x
  3. Step 3: Cross multiply
    85,152,037.20x = 127,728,055.80 × 24,569,739.60
  4. Step 4: Simplify right side
    85,152,037.20x = 3,138,245,070,620,270
  5. Step 5: Solve for x
    x = 3,138,245,070,620,270/85,152,037.20
  6. Step 6: Final answer
    x = 36,854,609.40

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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.