Home / 79,820,780.32-110,144,416.98-58,923,907.84

Finding the Fourth Proportional to 79,820,780.32, 110,144,416.98 and 58,923,907.84

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Solution

The fourth proportional to 79,820,780.32, 110,144,416.98 and 58,923,907.84 is: 81,308,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820,780.32 : 110,144,416.98 = 58,923,907.84 : x
  2. Step 2: Convert to fraction form
    79,820,780.32/110,144,416.98 = 58,923,907.84/x
  3. Step 3: Cross multiply
    79,820,780.32x = 110,144,416.98 × 58,923,907.84
  4. Step 4: Simplify right side
    79,820,780.32x = 6,490,139,475,220,052
  5. Step 5: Solve for x
    x = 6,490,139,475,220,052/79,820,780.32
  6. Step 6: Final answer
    x = 81,308,895.37

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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.