Home / 85,152,218.40-127,728,327.60-49,320,410.40

Finding the Fourth Proportional to 85,152,218.40, 127,728,327.60 and 49,320,410.40

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Solution

The fourth proportional to 85,152,218.40, 127,728,327.60 and 49,320,410.40 is: 73,980,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152,218.40 : 127,728,327.60 = 49,320,410.40 : x
  2. Step 2: Convert to fraction form
    85,152,218.40/127,728,327.60 = 49,320,410.40/x
  3. Step 3: Cross multiply
    85,152,218.40x = 127,728,327.60 × 49,320,410.40
  4. Step 4: Simplify right side
    85,152,218.40x = 6,299,613,536,937,647
  5. Step 5: Solve for x
    x = 6,299,613,536,937,647/85,152,218.40
  6. Step 6: Final answer
    x = 73,980,615.60

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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.