Home / 53,217,961.80-79,826,942.70-48,116,128.20

Finding the Fourth Proportional to 53,217,961.80, 79,826,942.70 and 48,116,128.20

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Solution

The fourth proportional to 53,217,961.80, 79,826,942.70 and 48,116,128.20 is: 72,174,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217,961.80 : 79,826,942.70 = 48,116,128.20 : x
  2. Step 2: Convert to fraction form
    53,217,961.80/79,826,942.70 = 48,116,128.20/x
  3. Step 3: Cross multiply
    53,217,961.80x = 79,826,942.70 × 48,116,128.20
  4. Step 4: Simplify right side
    53,217,961.80x = 3,840,963,408,767,254.50
  5. Step 5: Solve for x
    x = 3,840,963,408,767,254.50/53,217,961.80
  6. Step 6: Final answer
    x = 72,174,192.30

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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.