Home / 229,139,849.87-316,239,918.82-128,684,796.02

Finding the Fourth Proportional to 229,139,849.87, 316,239,918.82 and 128,684,796.02

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Solution

The fourth proportional to 229,139,849.87, 316,239,918.82 and 128,684,796.02 is: 177,600,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,139,849.87 : 316,239,918.82 = 128,684,796.02 : x
  2. Step 2: Convert to fraction form
    229,139,849.87/316,239,918.82 = 128,684,796.02/x
  3. Step 3: Cross multiply
    229,139,849.87x = 316,239,918.82 × 128,684,796.02
  4. Step 4: Simplify right side
    229,139,849.87x = 40,695,269,446,733,056
  5. Step 5: Solve for x
    x = 40,695,269,446,733,056/229,139,849.87
  6. Step 6: Final answer
    x = 177,600,140.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.