Home / 151,277,617.38-208,859,501.56-123,466,666.30

Finding the Fourth Proportional to 151,277,617.38, 208,859,501.56 and 123,466,666.30

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Solution

The fourth proportional to 151,277,617.38, 208,859,501.56 and 123,466,666.30 is: 170,462,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,277,617.38 : 208,859,501.56 = 123,466,666.30 : x
  2. Step 2: Convert to fraction form
    151,277,617.38/208,859,501.56 = 123,466,666.30/x
  3. Step 3: Cross multiply
    151,277,617.38x = 208,859,501.56 × 123,466,666.30
  4. Step 4: Simplify right side
    151,277,617.38x = 25,787,186,382,692,848
  5. Step 5: Solve for x
    x = 25,787,186,382,692,848/151,277,617.38
  6. Step 6: Final answer
    x = 170,462,668.76

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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.