Home / 126,178,143.01-189,333,897.41-89,526,897.36

Finding the Fourth Proportional to 126,178,143.01, 189,333,897.41 and 89,526,897.36

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Solution

The fourth proportional to 126,178,143.01, 189,333,897.41 and 89,526,897.36 is: 134,337,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,143.01 : 189,333,897.41 = 89,526,897.36 : x
  2. Step 2: Convert to fraction form
    126,178,143.01/189,333,897.41 = 89,526,897.36/x
  3. Step 3: Cross multiply
    126,178,143.01x = 189,333,897.41 × 89,526,897.36
  4. Step 4: Simplify right side
    126,178,143.01x = 16,950,476,400,417,656
  5. Step 5: Solve for x
    x = 16,950,476,400,417,656/126,178,143.01
  6. Step 6: Final answer
    x = 134,337,659.41

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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.