Home / 136,270,507.53-188,054,065.49-77,533,171.23

Finding the Fourth Proportional to 136,270,507.53, 188,054,065.49 and 77,533,171.23

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Solution

The fourth proportional to 136,270,507.53, 188,054,065.49 and 77,533,171.23 is: 106,996,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,507.53 : 188,054,065.49 = 77,533,171.23 : x
  2. Step 2: Convert to fraction form
    136,270,507.53/188,054,065.49 = 77,533,171.23/x
  3. Step 3: Cross multiply
    136,270,507.53x = 188,054,065.49 × 77,533,171.23
  4. Step 4: Simplify right side
    136,270,507.53x = 14,580,428,059,746,140
  5. Step 5: Solve for x
    x = 14,580,428,059,746,140/136,270,507.53
  6. Step 6: Final answer
    x = 106,996,211.61

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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.