Home / 143,931,416.48-215,897,754.44-45,563,603.32

Finding the Fourth Proportional to 143,931,416.48, 215,897,754.44 and 45,563,603.32

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Solution

The fourth proportional to 143,931,416.48, 215,897,754.44 and 45,563,603.32 is: 68,345,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,931,416.48 : 215,897,754.44 = 45,563,603.32 : x
  2. Step 2: Convert to fraction form
    143,931,416.48/215,897,754.44 = 45,563,603.32/x
  3. Step 3: Cross multiply
    143,931,416.48x = 215,897,754.44 × 45,563,603.32
  4. Step 4: Simplify right side
    143,931,416.48x = 9,837,079,640,982,928
  5. Step 5: Solve for x
    x = 9,837,079,640,982,928/143,931,416.48
  6. Step 6: Final answer
    x = 68,345,604.33

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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.