Home / 136,645,630.32-188,570,553.48-73,921,708.56

Finding the Fourth Proportional to 136,645,630.32, 188,570,553.48 and 73,921,708.56

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Solution

The fourth proportional to 136,645,630.32, 188,570,553.48 and 73,921,708.56 is: 102,011,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,645,630.32 : 188,570,553.48 = 73,921,708.56 : x
  2. Step 2: Convert to fraction form
    136,645,630.32/188,570,553.48 = 73,921,708.56/x
  3. Step 3: Cross multiply
    136,645,630.32x = 188,570,553.48 × 73,921,708.56
  4. Step 4: Simplify right side
    136,645,630.32x = 13,939,457,497,346,454
  5. Step 5: Solve for x
    x = 13,939,457,497,346,454/136,645,630.32
  6. Step 6: Final answer
    x = 102,011,732.57

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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.