Home / 126,345,824.30-189,522,597.34-43,346,412.48

Finding the Fourth Proportional to 126,345,824.30, 189,522,597.34 and 43,346,412.48

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Solution

The fourth proportional to 126,345,824.30, 189,522,597.34 and 43,346,412.48 is: 65,020,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345,824.30 : 189,522,597.34 = 43,346,412.48 : x
  2. Step 2: Convert to fraction form
    126,345,824.30/189,522,597.34 = 43,346,412.48/x
  3. Step 3: Cross multiply
    126,345,824.30x = 189,522,597.34 × 43,346,412.48
  4. Step 4: Simplify right side
    126,345,824.30x = 8,215,124,679,182,935
  5. Step 5: Solve for x
    x = 8,215,124,679,182,935/126,345,824.30
  6. Step 6: Final answer
    x = 65,020,943.31

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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.