Home / 51,019,751.80-76,529,627.70-31,887,875.80

Finding the Fourth Proportional to 51,019,751.80, 76,529,627.70 and 31,887,875.80

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Solution

The fourth proportional to 51,019,751.80, 76,529,627.70 and 31,887,875.80 is: 47,831,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019,751.80 : 76,529,627.70 = 31,887,875.80 : x
  2. Step 2: Convert to fraction form
    51,019,751.80/76,529,627.70 = 31,887,875.80/x
  3. Step 3: Cross multiply
    51,019,751.80x = 76,529,627.70 × 31,887,875.80
  4. Step 4: Simplify right side
    51,019,751.80x = 2,440,367,263,117,840
  5. Step 5: Solve for x
    x = 2,440,367,263,117,840/51,019,751.80
  6. Step 6: Final answer
    x = 47,831,813.70

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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.