Home / 150,136,085.86-225,160,629.36-45,087,190.72

Finding the Fourth Proportional to 150,136,085.86, 225,160,629.36 and 45,087,190.72

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Solution

The fourth proportional to 150,136,085.86, 225,160,629.36 and 45,087,190.72 is: 67,617,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,136,085.86 : 225,160,629.36 = 45,087,190.72 : x
  2. Step 2: Convert to fraction form
    150,136,085.86/225,160,629.36 = 45,087,190.72/x
  3. Step 3: Cross multiply
    150,136,085.86x = 225,160,629.36 × 45,087,190.72
  4. Step 4: Simplify right side
    150,136,085.86x = 10,151,860,237,857,572
  5. Step 5: Solve for x
    x = 10,151,860,237,857,572/150,136,085.86
  6. Step 6: Final answer
    x = 67,617,722.81

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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.