Home / 99,153,738.36-136,835,477.80-55,102,593.88

Finding the Fourth Proportional to 99,153,738.36, 136,835,477.80 and 55,102,593.88

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Solution

The fourth proportional to 99,153,738.36, 136,835,477.80 and 55,102,593.88 is: 76,043,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,153,738.36 : 136,835,477.80 = 55,102,593.88 : x
  2. Step 2: Convert to fraction form
    99,153,738.36/136,835,477.80 = 55,102,593.88/x
  3. Step 3: Cross multiply
    99,153,738.36x = 136,835,477.80 × 55,102,593.88
  4. Step 4: Simplify right side
    99,153,738.36x = 7,539,989,761,589,157
  5. Step 5: Solve for x
    x = 7,539,989,761,589,157/99,153,738.36
  6. Step 6: Final answer
    x = 76,043,423.94

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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.