Home / 124,438,438.40-186,657,657.60-43,667,571.20

Finding the Fourth Proportional to 124,438,438.40, 186,657,657.60 and 43,667,571.20

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Solution

The fourth proportional to 124,438,438.40, 186,657,657.60 and 43,667,571.20 is: 65,501,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438,438.40 : 186,657,657.60 = 43,667,571.20 : x
  2. Step 2: Convert to fraction form
    124,438,438.40/186,657,657.60 = 43,667,571.20/x
  3. Step 3: Cross multiply
    124,438,438.40x = 186,657,657.60 × 43,667,571.20
  4. Step 4: Simplify right side
    124,438,438.40x = 8,150,886,553,273,221
  5. Step 5: Solve for x
    x = 8,150,886,553,273,221/124,438,438.40
  6. Step 6: Final answer
    x = 65,501,356.80

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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.