Home / 56,785,259.20-85,177,888.80-40,660,945.60

Finding the Fourth Proportional to 56,785,259.20, 85,177,888.80 and 40,660,945.60

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Solution

The fourth proportional to 56,785,259.20, 85,177,888.80 and 40,660,945.60 is: 60,991,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785,259.20 : 85,177,888.80 = 40,660,945.60 : x
  2. Step 2: Convert to fraction form
    56,785,259.20/85,177,888.80 = 40,660,945.60/x
  3. Step 3: Cross multiply
    56,785,259.20x = 85,177,888.80 × 40,660,945.60
  4. Step 4: Simplify right side
    56,785,259.20x = 3,463,413,502,819,649.50
  5. Step 5: Solve for x
    x = 3,463,413,502,819,649.50/56,785,259.20
  6. Step 6: Final answer
    x = 60,991,418.40

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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.