Home / 47,838,365.84-71,785,398.81-20,170,548.34

Finding the Fourth Proportional to 47,838,365.84, 71,785,398.81 and 20,170,548.34

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Solution

The fourth proportional to 47,838,365.84, 71,785,398.81 and 20,170,548.34 is: 30,267,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838,365.84 : 71,785,398.81 = 20,170,548.34 : x
  2. Step 2: Convert to fraction form
    47,838,365.84/71,785,398.81 = 20,170,548.34/x
  3. Step 3: Cross multiply
    47,838,365.84x = 71,785,398.81 × 20,170,548.34
  4. Step 4: Simplify right side
    47,838,365.84x = 1,447,950,856,444,356.50
  5. Step 5: Solve for x
    x = 1,447,950,856,444,356.50/47,838,365.84
  6. Step 6: Final answer
    x = 30,267,565.19

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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.