Home / 143,931,018.62-215,897,160.44-45,563,208.47

Finding the Fourth Proportional to 143,931,018.62, 215,897,160.44 and 45,563,208.47

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Solution

The fourth proportional to 143,931,018.62, 215,897,160.44 and 45,563,208.47 is: 68,345,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,931,018.62 : 215,897,160.44 = 45,563,208.47 : x
  2. Step 2: Convert to fraction form
    143,931,018.62/215,897,160.44 = 45,563,208.47/x
  3. Step 3: Cross multiply
    143,931,018.62x = 215,897,160.44 × 45,563,208.47
  4. Step 4: Simplify right side
    143,931,018.62x = 9,836,967,327,901,456
  5. Step 5: Solve for x
    x = 9,836,967,327,901,456/143,931,018.62
  6. Step 6: Final answer
    x = 68,345,012.92

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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.