Home / 55,601,999.20-83,402,998.80-45,965,202.40

Finding the Fourth Proportional to 55,601,999.20, 83,402,998.80 and 45,965,202.40

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Solution

The fourth proportional to 55,601,999.20, 83,402,998.80 and 45,965,202.40 is: 68,947,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601,999.20 : 83,402,998.80 = 45,965,202.40 : x
  2. Step 2: Convert to fraction form
    55,601,999.20/83,402,998.80 = 45,965,202.40/x
  3. Step 3: Cross multiply
    55,601,999.20x = 83,402,998.80 × 45,965,202.40
  4. Step 4: Simplify right side
    55,601,999.20x = 3,833,635,720,608,957
  5. Step 5: Solve for x
    x = 3,833,635,720,608,957/55,601,999.20
  6. Step 6: Final answer
    x = 68,947,803.60

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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.