Home / 140,903,933.80-211,355,900.70-89,885,597.80

Finding the Fourth Proportional to 140,903,933.80, 211,355,900.70 and 89,885,597.80

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Solution

The fourth proportional to 140,903,933.80, 211,355,900.70 and 89,885,597.80 is: 134,828,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,903,933.80 : 211,355,900.70 = 89,885,597.80 : x
  2. Step 2: Convert to fraction form
    140,903,933.80/211,355,900.70 = 89,885,597.80/x
  3. Step 3: Cross multiply
    140,903,933.80x = 211,355,900.70 × 89,885,597.80
  4. Step 4: Simplify right side
    140,903,933.80x = 18,997,851,482,976,936
  5. Step 5: Solve for x
    x = 18,997,851,482,976,936/140,903,933.80
  6. Step 6: Final answer
    x = 134,828,396.70

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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.