Home / 208,270,559.28-312,185,576.70-77,028,491.64

Finding the Fourth Proportional to 208,270,559.28, 312,185,576.70 and 77,028,491.64

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Solution

The fourth proportional to 208,270,559.28, 312,185,576.70 and 77,028,491.64 is: 115,461,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,270,559.28 : 312,185,576.70 = 77,028,491.64 : x
  2. Step 2: Convert to fraction form
    208,270,559.28/312,185,576.70 = 77,028,491.64/x
  3. Step 3: Cross multiply
    208,270,559.28x = 312,185,576.70 × 77,028,491.64
  4. Step 4: Simplify right side
    208,270,559.28x = 24,047,184,084,964,528
  5. Step 5: Solve for x
    x = 24,047,184,084,964,528/208,270,559.28
  6. Step 6: Final answer
    x = 115,461,273.87

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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.