Home / 133,075,263.15-199,684,356.17-55,405,785.51

Finding the Fourth Proportional to 133,075,263.15, 199,684,356.17 and 55,405,785.51

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Solution

The fourth proportional to 133,075,263.15, 199,684,356.17 and 55,405,785.51 is: 83,138,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075,263.15 : 199,684,356.17 = 55,405,785.51 : x
  2. Step 2: Convert to fraction form
    133,075,263.15/199,684,356.17 = 55,405,785.51/x
  3. Step 3: Cross multiply
    133,075,263.15x = 199,684,356.17 × 55,405,785.51
  4. Step 4: Simplify right side
    133,075,263.15x = 11,063,668,607,380,436
  5. Step 5: Solve for x
    x = 11,063,668,607,380,436/133,075,263.15
  6. Step 6: Final answer
    x = 83,138,431.18

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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.