Home / 47,113,408.77-70,689,588.39-20,838,429.92

Finding the Fourth Proportional to 47,113,408.77, 70,689,588.39 and 20,838,429.92

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Solution

The fourth proportional to 47,113,408.77, 70,689,588.39 and 20,838,429.92 is: 31,266,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113,408.77 : 70,689,588.39 = 20,838,429.92 : x
  2. Step 2: Convert to fraction form
    47,113,408.77/70,689,588.39 = 20,838,429.92/x
  3. Step 3: Cross multiply
    47,113,408.77x = 70,689,588.39 × 20,838,429.92
  4. Step 4: Simplify right side
    47,113,408.77x = 1,473,060,033,385,212.75
  5. Step 5: Solve for x
    x = 1,473,060,033,385,212.75/47,113,408.77
  6. Step 6: Final answer
    x = 31,266,258.84

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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.