Home / 186,658,037.10-280,000,507.92-71,642,579.40

Finding the Fourth Proportional to 186,658,037.10, 280,000,507.92 and 71,642,579.40

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Solution

The fourth proportional to 186,658,037.10, 280,000,507.92 and 71,642,579.40 is: 107,469,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,658,037.10 : 280,000,507.92 = 71,642,579.40 : x
  2. Step 2: Convert to fraction form
    186,658,037.10/280,000,507.92 = 71,642,579.40/x
  3. Step 3: Cross multiply
    186,658,037.10x = 280,000,507.92 × 71,642,579.40
  4. Step 4: Simplify right side
    186,658,037.10x = 20,059,958,620,698,932
  5. Step 5: Solve for x
    x = 20,059,958,620,698,932/186,658,037.10
  6. Step 6: Final answer
    x = 107,469,032.31

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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.