Home / 72,068,795.36-108,275,652.63-46,211,756.48

Finding the Fourth Proportional to 72,068,795.36, 108,275,652.63 and 46,211,756.48

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Solution

The fourth proportional to 72,068,795.36, 108,275,652.63 and 46,211,756.48 is: 69,428,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068,795.36 : 108,275,652.63 = 46,211,756.48 : x
  2. Step 2: Convert to fraction form
    72,068,795.36/108,275,652.63 = 46,211,756.48/x
  3. Step 3: Cross multiply
    72,068,795.36x = 108,275,652.63 × 46,211,756.48
  4. Step 4: Simplify right side
    72,068,795.36x = 5,003,608,091,509,253
  5. Step 5: Solve for x
    x = 5,003,608,091,509,253/72,068,795.36
  6. Step 6: Final answer
    x = 69,428,218.79

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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.