Home / 149,128,887.74-223,706,027.46-45,521,364.72

Finding the Fourth Proportional to 149,128,887.74, 223,706,027.46 and 45,521,364.72

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Solution

The fourth proportional to 149,128,887.74, 223,706,027.46 and 45,521,364.72 is: 68,285,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,128,887.74 : 223,706,027.46 = 45,521,364.72 : x
  2. Step 2: Convert to fraction form
    149,128,887.74/223,706,027.46 = 45,521,364.72/x
  3. Step 3: Cross multiply
    149,128,887.74x = 223,706,027.46 × 45,521,364.72
  4. Step 4: Simplify right side
    149,128,887.74x = 10,183,403,666,068,996
  5. Step 5: Solve for x
    x = 10,183,403,666,068,996/149,128,887.74
  6. Step 6: Final answer
    x = 68,285,922.47

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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.