Home / 100,572,120-138,782,993.76-59,309,553.60

Finding the Fourth Proportional to 100,572,120, 138,782,993.76 and 59,309,553.60

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Solution

The fourth proportional to 100,572,120, 138,782,993.76 and 59,309,553.60 is: 81,843,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,572,120 : 138,782,993.76 = 59,309,553.60 : x
  2. Step 2: Convert to fraction form
    100,572,120/138,782,993.76 = 59,309,553.60/x
  3. Step 3: Cross multiply
    100,572,120x = 138,782,993.76 × 59,309,553.60
  4. Step 4: Simplify right side
    100,572,120x = 8,231,157,407,177,185
  5. Step 5: Solve for x
    x = 8,231,157,407,177,185/100,572,120
  6. Step 6: Final answer
    x = 81,843,332.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.