Home / 114,048,139.20-171,072,208.80-68,698,507.20

Finding the Fourth Proportional to 114,048,139.20, 171,072,208.80 and 68,698,507.20

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Solution

The fourth proportional to 114,048,139.20, 171,072,208.80 and 68,698,507.20 is: 103,047,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,048,139.20 : 171,072,208.80 = 68,698,507.20 : x
  2. Step 2: Convert to fraction form
    114,048,139.20/171,072,208.80 = 68,698,507.20/x
  3. Step 3: Cross multiply
    114,048,139.20x = 171,072,208.80 × 68,698,507.20
  4. Step 4: Simplify right side
    114,048,139.20x = 11,752,405,367,966,704
  5. Step 5: Solve for x
    x = 11,752,405,367,966,704/114,048,139.20
  6. Step 6: Final answer
    x = 103,047,760.80

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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.