Home / 55,775,813.80-83,831,682.30-48,385,503.40

Finding the Fourth Proportional to 55,775,813.80, 83,831,682.30 and 48,385,503.40

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Solution

The fourth proportional to 55,775,813.80, 83,831,682.30 and 48,385,503.40 is: 72,723,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,813.80 : 83,831,682.30 = 48,385,503.40 : x
  2. Step 2: Convert to fraction form
    55,775,813.80/83,831,682.30 = 48,385,503.40/x
  3. Step 3: Cross multiply
    55,775,813.80x = 83,831,682.30 × 48,385,503.40
  4. Step 4: Simplify right side
    55,775,813.80x = 4,056,238,148,954,369.50
  5. Step 5: Solve for x
    x = 4,056,238,148,954,369.50/55,775,813.80
  6. Step 6: Final answer
    x = 72,723,961.74

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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.