Home / 85,152,212.40-127,728,318.60-49,320,404.40

Finding the Fourth Proportional to 85,152,212.40, 127,728,318.60 and 49,320,404.40

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Solution

The fourth proportional to 85,152,212.40, 127,728,318.60 and 49,320,404.40 is: 73,980,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152,212.40 : 127,728,318.60 = 49,320,404.40 : x
  2. Step 2: Convert to fraction form
    85,152,212.40/127,728,318.60 = 49,320,404.40/x
  3. Step 3: Cross multiply
    85,152,212.40x = 127,728,318.60 × 49,320,404.40
  4. Step 4: Simplify right side
    85,152,212.40x = 6,299,612,326,684,041
  5. Step 5: Solve for x
    x = 6,299,612,326,684,041/85,152,212.40
  6. Step 6: Final answer
    x = 73,980,606.60

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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.