Home / 72,639,146.92-100,185,282.48-46,536,142.84

Finding the Fourth Proportional to 72,639,146.92, 100,185,282.48 and 46,536,142.84

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Solution

The fourth proportional to 72,639,146.92, 100,185,282.48 and 46,536,142.84 is: 64,183,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,639,146.92 : 100,185,282.48 = 46,536,142.84 : x
  2. Step 2: Convert to fraction form
    72,639,146.92/100,185,282.48 = 46,536,142.84/x
  3. Step 3: Cross multiply
    72,639,146.92x = 100,185,282.48 × 46,536,142.84
  4. Step 4: Simplify right side
    72,639,146.92x = 4,662,236,615,955,030
  5. Step 5: Solve for x
    x = 4,662,236,615,955,030/72,639,146.92
  6. Step 6: Final answer
    x = 64,183,526.56

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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.