Home / 151,944,482.88-209,683,571.70-82,329,808.86

Finding the Fourth Proportional to 151,944,482.88, 209,683,571.70 and 82,329,808.86

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Solution

The fourth proportional to 151,944,482.88, 209,683,571.70 and 82,329,808.86 is: 113,615,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,944,482.88 : 209,683,571.70 = 82,329,808.86 : x
  2. Step 2: Convert to fraction form
    151,944,482.88/209,683,571.70 = 82,329,808.86/x
  3. Step 3: Cross multiply
    151,944,482.88x = 209,683,571.70 × 82,329,808.86
  4. Step 4: Simplify right side
    151,944,482.88x = 17,263,208,379,143,104
  5. Step 5: Solve for x
    x = 17,263,208,379,143,104/151,944,482.88
  6. Step 6: Final answer
    x = 113,615,236.64

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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.