Home / 47,138,197.92-70,724,568.78-19,851,359.82

Finding the Fourth Proportional to 47,138,197.92, 70,724,568.78 and 19,851,359.82

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Solution

The fourth proportional to 47,138,197.92, 70,724,568.78 and 19,851,359.82 is: 29,784,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138,197.92 : 70,724,568.78 = 19,851,359.82 : x
  2. Step 2: Convert to fraction form
    47,138,197.92/70,724,568.78 = 19,851,359.82/x
  3. Step 3: Cross multiply
    47,138,197.92x = 70,724,568.78 × 19,851,359.82
  4. Step 4: Simplify right side
    47,138,197.92x = 1,403,978,862,966,118.50
  5. Step 5: Solve for x
    x = 1,403,978,862,966,118.50/47,138,197.92
  6. Step 6: Final answer
    x = 29,784,313.46

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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.