Home / 55,775,812.80-83,831,680.80-48,385,502.40

Finding the Fourth Proportional to 55,775,812.80, 83,831,680.80 and 48,385,502.40

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Solution

The fourth proportional to 55,775,812.80, 83,831,680.80 and 48,385,502.40 is: 72,723,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,812.80 : 83,831,680.80 = 48,385,502.40 : x
  2. Step 2: Convert to fraction form
    55,775,812.80/83,831,680.80 = 48,385,502.40/x
  3. Step 3: Cross multiply
    55,775,812.80x = 83,831,680.80 × 48,385,502.40
  4. Step 4: Simplify right side
    55,775,812.80x = 4,056,237,992,544,433.50
  5. Step 5: Solve for x
    x = 4,056,237,992,544,433.50/55,775,812.80
  6. Step 6: Final answer
    x = 72,723,960.24

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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.