Home / 111,267,500.77-153,558,343.32-61,723,847.94

Finding the Fourth Proportional to 111,267,500.77, 153,558,343.32 and 61,723,847.94

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Solution

The fourth proportional to 111,267,500.77, 153,558,343.32 and 61,723,847.94 is: 85,184,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267,500.77 : 153,558,343.32 = 61,723,847.94 : x
  2. Step 2: Convert to fraction form
    111,267,500.77/153,558,343.32 = 61,723,847.94/x
  3. Step 3: Cross multiply
    111,267,500.77x = 153,558,343.32 × 61,723,847.94
  4. Step 4: Simplify right side
    111,267,500.77x = 9,478,211,832,626,338
  5. Step 5: Solve for x
    x = 9,478,211,832,626,338/111,267,500.77
  6. Step 6: Final answer
    x = 85,184,009.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.