Home / 55,770,980.46-83,620,666.53-21,655,975.02

Finding the Fourth Proportional to 55,770,980.46, 83,620,666.53 and 21,655,975.02

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Solution

The fourth proportional to 55,770,980.46, 83,620,666.53 and 21,655,975.02 is: 32,470,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770,980.46 : 83,620,666.53 = 21,655,975.02 : x
  2. Step 2: Convert to fraction form
    55,770,980.46/83,620,666.53 = 21,655,975.02/x
  3. Step 3: Cross multiply
    55,770,980.46x = 83,620,666.53 × 21,655,975.02
  4. Step 4: Simplify right side
    55,770,980.46x = 1,810,887,065,529,430
  5. Step 5: Solve for x
    x = 1,810,887,065,529,430/55,770,980.46
  6. Step 6: Final answer
    x = 32,470,059.71

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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.